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is mac based on unix

The operating system used on Apple iPhones, now called iOS, is derived from macOS and therefore is also a Unix variant. Log in or sign up to leave a comment Log In Sign Up. No matter what OS we are using is somehow related to Unix and Unix derivatives. UNIX in all uppercase letters is the badge of compliance. If we consider a package manager and kernel, Ubuntu and Red Hat being distributions makes sense. What is the exact meaning of "manoeuvring" when said by ATC in reference to traffic? Is it possible to compile UNIX command line program for Apple Silicon architecture on Intel-based Mac? Linux and the GNU project originally came to exist to … Amusingly, just as GNU stands for “GNU’s Not Unix,” XNU stands for “X is Not Unix.”. From the displayed information, find the Ethernet adapter (the name changes based on the Ethernet card installed),locate the number next to the HWaddr. Terminal is located in the Utilities folder inside the Applications folder. In other words, it has to rubber-stamp your operating system as compliant to its standards before you can call it UNIX. There's a lot of discussion on this topic, but as far as Apple's concerned, yes it's UNIX: The UNIX trademark is owned by The Open Group, which basically uses it as a certification mark for SUS-compliance. Within the market of desktop, laptop and home computers, and by web usage, it is the second most widely used desktop OS after Microsoft Windows. Eventually, these became distributions of an entire Unix system, still known as BSD. If you make dep you know even more. A UNIX kernel with incredible MAC graphics and apps running on top! Since we launched in 2006, our articles have been read more than 1 billion times. The Current Mac OS (Mac OS nee’ Mac OS X) has a varied history. After over 30 years in the IT industry, he is now a full-time technology journalist. MACS run full time on a UNIX-based operating system and they are thus more developer-friendly. What operating system is Mac OS X based upon? There are two standards that certify UNIX: POSIX and Single UNIX Specification (SUS). Is OS X Mountain Lion a pure UNIX-based OS? Some tutorials say that it is a Unix-like OS, but after version 10.5, all Mac operating systems are based on pure UNIX. It’s entirely possible, of course, that some operating systems in the “Unix-like” category could be tested tomorrow and found compliant. OS X could also be considered to be genetic Unix in the sense that Darwin was based on FreeBSD (or it has used FreeBSD as a reference platform), and BSDs are usually considered to be genetic Unix, since the original BSD was based on AT&T code. From therein has evolved, and grown past this heritage. He listened to a presentation by Thompson and Ritchie, entitled The UNIX Time-Sharing System. In 2020, Apple began the Apple silicon transition, using self-designed, 64-bit ARM-based Apple M1 processors on new Mac computers. SUS is a superset of POSIX. Version numbers, such as 4.2BSD, identified the different releases. Its code is open source , and it is available as a stand-alone operating system. They're similar in that the default shells are bash and they can run most of the same software. As I recall, unless you licensed the AT&T source code, you couldn’t call it “Unix”, as … Well, this is why — both Mac OSX and Linux are To quote Wikipedia: Let's remember for a second that Linux as in the Linux Kernel is supposed to be distributable software, with modifications, or at least in accordance with GPL v2. Is it OK to create a negative rail just by dividing voltage with resistors? The above article may contain affiliate links, which help support How-To Geek. They're similar in that the default shells are bash and they can run most of the same software. Discussion. – rcgldr Jun 9 '17 at 14:25 Join 425,000 subscribers and get a daily digest of news, geek trivia, and our feature articles. Difference between Mac and Linux kernel in one line. Apple's OSX doesn't either. Have you ever taken a look at the Mac OS X terminal or file system and noticed how similar it was to Linux’s, and how different they both were from Windows? Some would argue it isn't Unix because it is more based on BSD Unix, and the Mach kernel. According to Apple’s Github page, XNU is “a hybrid kernel combining the Mach kernel developed at Carnegie Mellon University with components from FreeBSD and C++ API for writing drivers”. Even with this cross-pollination and collaboration, there were difficulties with licensing. Why is “Everything is a file” unique to the Unix operating systems? It's not based on Linux, but it is Unix-y. Is Mac OS based on Linux Operating System. Darwin is a free and open source, Unix-like operating system first released by Apple Inc. in 2000. It’s a completely different operating system. If you have used Linux box before you might actually have experienced the exact same sort of commands on them as on Mac OS It upgraded the Mach kernel and replaced it with the more advanced version the Open Software Foundation developed and used in the OSF/1 operating system. Small charges covered the shipping and packaging and a “reasonable royalty.”. BSD code in Windows. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Best Unix-Based Operating Systems. Fabry requested a copy of the operating system, and, in 1974, Unix was installed on a PDP/11 at the Computer Sciences Research Group (CSRG) at UC Berkeley. DOS was never based on Unix at all, which is why Windows uses a backslash for file paths while everything else uses a forward slash. Some people say that macOS is “linux”, some say that both are compatible due to similarities between commands and file system hierarchy. This subject raises a bunch of different questions. To change the shell that Terminal uses, see Section 4.1. The answer has to be yes. Copies of the UC Berkeley changes and additions were distributed and became known as the Berkeley Software Distribution (BSD). On which FreeBSD version is MacOS Big Sur based? (We have a commercial software product that runs on Unix and “Unix-like” systems.) Furthermore, Mac OS has lots of applications that are not open source and are build on libraries that are not open source. The Kernel is based on NeXTSTEP, which was based on the Mach Kernel and Open BSD v4.3. Mac OS X is based on Darwin, which is a descendant of Unix. As Borelaid already pointed out, that does not necessarily mean that porting Mac apps to other flavors of BSD would be easy or even manageable, much less so than between other common BSD flavors. Developed between 1997 and 2001 after that Apple’s purchase of NeXT, Mac OS X brought an entirely new architecture based on NeXTSTEP, a UNIX system that eliminated many of the technical challenges that the classic Mac OS faced. UNIX has variants (Linux is actually a UNIX variant based somewhat on Minix, which is a UNIX variant) but the proper versions of the UNIX system are much smaller in number. Who gets to decide if something is Unix or UNIX, and what criteria do they use? A lot of organization licensed Unix OS and made their own variant; most were commercial venture, but the University of California at … But that doesn’t matter, either. Follow edited Oct 19 '12 at 9:15. slhck. Accessing the Unix environment from emacs and Cocoa apps in OS X Mountain Lion, How to enable the php 5.4.x version on Mountain Lion, Mac OS X unable to see Windows PC in network, Little clarity needed about: PC and Mac and Unix. This decision was made back in the early days of DOS, and later versions of Windows inherited it, just as BSD, Linux, Mac OS X, and other Unix-like operating systems inherited many aspects of Unix’s design. The commands are slightly different due to OS X using the BSD variants and Linux uses GNU variants. macos unix. It is a standalone operating system as well as the core set of components upon which Mac OS X was developed. I actually got in an argument with somebody over whether or not it was Linux based and they wouldn't believe me that it's UNIX. Darwin: Darwin is the Unix-like foundation upon which Mac OS X is based… There, the Unix-like NeXTSTEP operating system was developed, and then launched in 1989. The Open Group is the certifying body for the UNIX trademark. The code at the heart of Mac OS X was born in the mid-1980s at NeXt Computer, the company Steve Jobs founded after his first stint at Apple. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. I'm at the new Apple store in Tysons Corner, VA and have been looking at the new MAC OS based on the UNIX kernel. Head To Head Comparison Between Linux and MAC and Windows (Infographics) Below is the Top 5 Comparisons Between Linux vs MAC vs Windows Don’t forget that the Mac OS/X is based on a Unix-like kernel. System 1 through 9.2.2 have less of a Unix base, but still having some. ), How to Transfer Spotify Playlists to Apple Music, How to Use the Google Docs Explore Feature for Research, How to Pin Media Player Controls to a Chromebook’s Bottom Shelf, How to Copy URLs of All Open Tabs in Firefox, © 2021 LifeSavvy Media. Based on the above sources, it seems UNIX nowadays is not that specific OS, but rather a standard derived out of the best possible generalization for how operating systems in Unix family behave. The Kernel is based on NeXTSTEP, which was based on the Mach Kernel and Open BSD v4.3. The operating system used on Apple iPhones, now called iOS, is derived from macOS and therefore is also a Unix variant. Some tutorials say that it is a Unix-like OS, but after version 10.5, all Mac operating systems are based on pure UNIX. I give you ascii-art, you make it pseudo-3d, Friend's ethical dilemma and fear of retaliation. The acronym stands for “XNU is Not Unix.”. The XNU kernel at the heart of macOS is a hybrid architecture. asked Oct 19 '12 at 3:51. nameless nameless. macOS X has a different kernel than the original AT&T All Rights Reserved. I actually got in an argument with somebody over whether or not it was Linux based and they wouldn't believe me that it's UNIX. Login into Examveda with. 139 1 1 gold badge 1 1 silver badge 3 3 bronze badges. The key words are Unix-based. The research team used BSD as the operating system and replaced the kernel rather than writing their own operating system. Sort by. best. macOS is built atop Darwin (a UNIX operating system) which is built on a kernel called XNU an acronym for (X is Not Unix)which is actually a hybrid of the BSD kernel, and Mach 2.5 from CMU, and a device driver toolkit called IOKit from Apple. Every one of them brings their own specifics, and OS X more than most. Andrew Josey, VP Standards & Certification of the Open Group confirms that 10.7 Lion was never registered as a UNIX 03 product . Furthermore, Mac OS has lots of applications that are not open source and are build on libraries that are not open source. For complete and effective OS X management, administrators really “must know Unix… 0 comments. Unix is the mother of all modern operating systems. Everything from asynchronous and synchronous I/O, to the scripting interface and user-level programs are cataloged and defined. An older solution to the Windows versus Unix question is a system called Cygwin, which comes in 32 bit and 64 bit systems. The M1 mac … A UNIX kernel with incredible MAC graphics and apps running on | The UNIX and Linux Forums https://www.linuxandubuntu.com/home/top-10-unix-based-operating-systems Because Unix was provided “as-is,” it came without support. In 1984, AT&T was released from the strictures of the 1956 consent decree and able to market its operating system properly. 100% Upvoted. We answer the never-ending debate and explain standards like POSIX and the SUS along the way. 200k 60 60 gold badges 541 541 silver badges 546 546 bronze badges. (And Xenix was Microsoft’s version back in the 1980’s and 90’s.) It combines Apple’s code with parts of the Mach and BSD kernels. How-To Geek is where you turn when you want experts to explain technology. Based on UNIX - Solid As a Rock Don't let its elegant and easy-to-use interface fool you. Both the Linux kernel and the macOS kernel are UNIX-based. Chris says: February 15, 2021 at 11:44 am “Besides, you can even modify the source code of your OS to add/remove something (which requires necessary … The most widely-sold UNIX-based operating system, Mac OS X offers a unique combination of technical elements to the discerning geek, such as fine-grained multithreading, Mach 3.0 microkernel, FreeBSD services, tight hardware integration and SMP-safe … So, in that sense, there are a lot of Unix-based operating systems other than macOS. Neither Mac OS (based on BSD – based on Unix) or Linux (built from the ground up but modeled on Unix) is completely infallible, but in my experience they are about the same for stability. hide. This explains why MACs are the way to go for many developers. While the full history of Unix and its academic and commercial variants could take many more pages, for the sake of our article focus, let's move … With a UNIX based command line, programming is easier as you are able to run programs in almost any language. Mac OS. Note: I know Apple provides Apple Silicon Mac mini for $500, but I don't have the a money now. The BSD part of the XNU kernel provides the POSIX application programming interfaces (such as the various API and BSD system calls). Is this true? These are effectively UNIX now, but they can only be categorized as Unix because they don’t yet have the rubber-stamp. 2.7k. Historical trivia - For the Motorola based Mac's, Apple did have a version of unix called A/UX. Login . Follow edited Oct 14 '20 at 13:28. user3439894. I'm at the new Apple store in Tysons Corner, VA and have been looking at the new MAC OS based on the UNIX kernel. Super User is a question and answer site for computer enthusiasts and power users. Linux is UNIX like a source software and can use an operating system that provides full memory protection and multi-tasking operations. iOS: Based on Mac OS X, versions of iOS run on the iPhone, the iPod touch, and the iPad. And it doesn’t matter how you implement it. This is your MAC address. Over the decades, I’ve seen many “Unix like” systems come and go. A popular shell on other versions of Unix (not available by default on Mac OS X) is the Korn shell (ksh). Mac OS is UNIX based with a Darwin Kernel and so the terminal lets you basically enter the commands directly into that UNIX environment. Posted by 2 days ago. On the other hand, Linux is newer, written from scratch, and is used on many more devices. At some points is has contained a small amount of BSD code but the majority of its design came from other operating systems. Improve this question. This document is a dynamic HTML outline (it's an export of an OmniOutliner outline where I've compiled various Unix-OS X notes). If you grep you know. The macOS kernel (XNU) has been around longer than Linux and was based on a combination of two even older code bases. So, you could get the source code, modify it, and get support from the community. It only takes a minute to sign up. For a beginner, differences between shells are slight. In the beginning, AT&T created Unix. This is the reason why Macs … Message was edited by: nerowolfe save. In 1996, two standards bodies—X/Open and the Open Software Foundation—merged to form The Open Group. Both GNU and Linux were rewritten from scratch though, so GNU/Linux platforms are not generally considered to be genetic Unix. By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. It's UNIX based. Message was edited by: nerowolfe BSD contained AT&T code, which was not open source, but the BSD elements were. The iOS was designed for handheld devices, and is much more tightly controlled than other versions of Mac OS X. Connect and share knowledge within a single location that is structured and easy to search. Here’s Xenix, a Unix-based Microsoft operating system running on Apple hardware. Also, every Apple Mac hardware unit shipped in recent history can be claimed by BSD, as its OS X (now macOS) operating system is a BSD-derivative. Although Darwin will run many Unix applications, including the X Window System , it does not have the Mac OS X interface and thus will not run Mac OS X applications. They define the operation and expected behavior of every aspect of a compliant UNIX system. The commands are slightly different due to OS X using the BSD variants and Linux uses GNU variants. rev 2021.5.19.39336. The MAC Address will be displayed in the form of 00:08:C7:1B:8C:02. Mac OS is UNIX based with a Darwin Kernel and so the terminal lets you basically enter the commands directly into that UNIX environment. What matters is it meets the requirements of the standards against which it’s measured. If you plan to work with Unix a lot, though, you should learn more about your shell and its … Fast-forward to 1973 and Version 4 of Unix, which was rewritten in the C programming language. Share. Both MacOS and Linux are derived from a UNIX-like codebase, although Linux was a reimplementation and MacOS is based on BSD. AIX or Advanced Interactive eXecutive is an OS whose developmental traits are based on 4.3BSD-compatible extensions and… In 1996, Apple, Inc. bought NeXT, Inc. and, thereby, acquired NeXTSTEP. Apple started developing the operating system that would finally become macOS by way of Mac OS X. 2.3m members in the mac community. Mac OS X - UNIX kernel based. If you are distributing applications that use autoconf, you should include an up-to-date version of … Improve this question. The answer has to be yes. If you Take a look at the Mac OS X terminal or file system, you’ll notice a striking similarity to Linux. It has been preinstalled on all Macs since 2002. That same year, Ken Thompson and Dennis Ritchie, two of the core Unix architects, presented a paper at a conference about operating systems. Apple also upgraded the BSD components with updated and improved versions from the FreeBSD distribution. Mac OS X even includes a few neat tricks of its own, over and above what other popular Unix and Unix-like operating systems manage. While the familiar graphical tools still greet users, Apple’s most recent Mac operating system, the Unix-based OS X, also features a command line interface (CLI). macOS has supported three major processor architectures, beginning with PowerPC-based Macs in 1999. What is the likelihood of appearing on the TV show 'Border Security: America's Front Line' if I travel to the US? Significantly, Ken Thompson spent a year there, working on what quickly became the university’s own flavor of Unix.

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The NAACP has always been at the forefront of the fight against racial discrimination and economic inequality. Voting rights and the battles against voter suppression are just as important today as they were during the Civil Rights Movement. Health care, education, and economic opportunity need our action if they are ever to improve.

Help us win the fight.

ACT-SO Committee

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ACT-SO (Afro-Academic, Cultural, Technological and Scientific Olympics) honors academic and cultural achievers at the same level as sports achievers. ACT-SO members recruit 9th through 12th grade students annually for an academic competition. The NAACP believes that African-Americans can succeed and compete at the same or superior levels as their counterparts in classrooms, boardrooms and laboratories throughout the world.

Chair: Avelina Holmes

Meeting Date & Time: Varies according to ACT-SO activity schedule

actso@naacphouston.org

Armed Services & Veterans Affairs Committee

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The Armed Services and Veterans Affairs Committee focuses on Armed Services and Veterans programs at the local, state and national levels to ensure they are administered fairly for minorities. The committee studies conditions pertaining to minorities and their families and handles discrimination complaints from members of the Armed Services and Veterans.

Chair: W. Clyde Lemon

Date & Time: 1st Monday, 12:00 pm via conference call

veterans@naacphouston.org

Communications Press & Publicity Committee

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The Communications Press & Publicity Committee works to eliminate employment segregation and discrimination in the media industry. The members monitor local and national media including advertising, and promote the NAACP Houston Branch to gain favorable publicity in local newspapers, television and other media.

Chair: Linda Chandler Jacobs

Meeting Date & Time: TBD 2nd Tuesday 6:30pm @ NAACP

media@naacphouston.org

Community Coordination Committee

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The Committee on Community Coordination enlists the support of other community organizations on issues affecting the interests of minority groups and the NAACP Houston Branch in order to increase membership and volunteer recruitment, build coalitions around common goals, and increase Freedom Fund sponsorship of and attendance.

Meeting Chair: Juli McShay

Date & Time: First Monday of the Month, 4:30 p.m.

community@naacphouston.org

Criminal Justice Committee

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The Committee on Criminal Justice raises awareness about the inequities in the criminal and juvenile justice systems as well as some of the public misconceptions about the impact of recent “get tough” criminal policies on crime rate trends. Member work to increase minority participation in the Grand Jury system.

Chair: James Dixon, II

Meeting Date & Time: 1st Tuesday 6:30pm @ NAACP

justice@naacphouston.org

Economic Development Committee

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The Economic Development Committee implements local efforts and supports national programs that preserve and expand economic empowerment among minorities. The members promote business and home ownership, employment, and job creation.

Chair: Roger Harris

Meeting Date & Time: 2nd Monday 5:30pm @ NAACP

economics@naacphouston.org

Education Committee

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The Education Committee works to eliminate segregation and other discriminatory practices in public education. Members focus on educational conditions affecting minorities including dropout rates, school funding, attendance, parental involvement, standardized testing, and teacher certification.

Chair: Dr. Carolyn Evans -Shabazz

Meeting Date & Time: 1st Thursday 6:00pm @ NAACP

education@naacphouston.org

Environmental Climate Justice Committee

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The Environmental and Climate Justice Committee raises awareness of environmental issues, climate change and energy reform policies, and the linkages between environmental quality and social justice. The members are active in the Coalition for Environment, Equity, and Resilience (CEER), a collaborative made up of nonprofit organizations who have committed to working together to advance an 8 point plan.

Chair: Jacqueline Smith

Meeting Date & Time: Meeting times vary according to the Environmental Climate activity schedule.

climate@naacphouston.org

Freedom Fund Committee

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The Freedom Fund Committee (FFC) is the fundraising arm for the NAACP Houston Branch. The Annual Freedom Fund Advocacy and Awards Dinner (FFAAD) is the primary fundraiser for the branch. The FFAAD is traditionally held on the 4th Friday of October. Proceeds from the event support the branch operations and advocacy programming for the branch. The FFC also assists the unit with securing funds for special advocacy projects and the capital improvement fund for the branch headquarters.

Chair: Argentina M. James

Meeting Date & Time: Varies according to Freedom Fund activity schedule.

freedomfund@naacphouston.org

Health Committee

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The Health Committee is concerned with access to health care, health education, treatment and research, and sponsors health fairs and workshops highlighting important health issues for minorities.

Chair: Carol Moore

Meeting Date & Time: Varies according to Health activity schedule.

health@naacphouston.org



Housing Committee

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The Housing Committee studies housing conditions and new financing methods to promote home ownership. The members oppose all restrictive practices whether public or private, and refer complaints of housing discrimination.

Chair: Belinda Everette

Meeting Date & Time: 1st Wednesday 12:30 pm @ NAACP

housing@naacphouston.org

Labor & Industry Committee

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The Labor & Industry Committee works to eliminate discriminatory employment practices in industry and government, wage differentials based on race, unequal opportunities for training and promotion, discriminatory practices in labor unions, and unfair dismissals.

Chair: John Bland

Meeting Date & Time: 3rd Wednesday 6:00pm @ NAAC

labor@naacphouston.org

Legal Redress Committee

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The Legal Redress Committee on Legal Redress investigates all cases reported to the NAACP Houston Branch, supervise all litigation in which the Branch is involved, and keeps the National NAACP and Branch informed on the progress of every case.

Co-Chair: Mary King, Esq. & Charles Livingston, Esq.

Legal Clinics: 3rd Saturday of each month, 9am-2pm

legalredress@naacphouston.org

Membership & Life Membership Committee

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The Membership & Life Membership Committee works to increase membership by organizing campaigns, soliciting new members and renewals, and encouraging life memberships.

Chair: Mable Caleb

Meeting Date & Time: TBD 2nd Tuesday 5:30pm @ NAACP

membership@naacphouston.org

Political Action Committee

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The Political Action Committee focuses on voter registration and election turnout as well as legislation designed to improve the educational, political and economic status of minority groups. Members monitor proposed legislation and seeks the repeal of racially discriminatory laws. The Committee is non-partisan and does not endorse candidates for public office.

Chair: Claude Cummings Jr.

Meeting Date & Time: 2nd Monday 6:00pm @ NAACP

PAC-GOTV@naacphouston.org

Religious Affairs Committee

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The Religious Affairs Committee uses an educational program designed to give moral and ethical interpretation to the civil rights struggle and conveys this message to religious groups of all faiths. Members seek the support of religious groups for membership and fund raising.

Chair: Bishop Johnny Tates

Meeting Date & Time: TBD

religion@naacphouston.org

WIN (Women In the NAACP) Committee

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The WIN Committee supports social justice issues affecting women by serving as an advocacy vehicle for social, economic, political, educational and health and welfare issues affecting women.

Co-Chair: Sylvia Donahue- McCarter

Meeting Date & Time: 2nd Wednesday 6:30pm @ NAACP

WIN@naacphouston.org

Young Adult Committee

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The Young Adult Committee works with the Membership Committee to solicit memberships of individuals 21-40 years of age, and maintain a mentorship program that is a support bridge from youth and college to NAACP Houston Branch participation. Also provide networking and social opportunities for young adults.

Chair: Porschia Harris & Cha’Mira Keener

Meeting Date & Time: 1st Thursday 6:30pm @ NAACP

youngadult@naacphouston.org

Youth Works Committee

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The Youth Works Committee collaborates with the national NAACP to recognize exemplary youth, develop programs and activities consistent with the Association’s policies and mission for youth groups.

Chair: Avelina Holmes

Meeting Date & Time:Varies according to ACT-SO activity schedule

youthworks@naacphouston.org