# Guide to Unix/Links

Links on using Unix-like operating systems follow.
General links:
* A beginner's guide to UNIX/Linux, mn.uio.no
* UNIX Tutorial for Beginners, ee.surrey.ac.uk
* An A-Z Index of the Bash command line, ss64.com
* Unix Power Tools by Peek, O'Reilly & Loukides, docstore.mik.ua
* Unix, wikipedia.org
* TIO: try it online, tio.run – allows trying various utilities online, including shells
Links to man pages:
* Manual Pages for Research Unix Eighth Edition, man.cat-v.org - has other editions as well
* Linux man pages online, man7.org
* Linux man pages, linux.die.net
* Debian Manpages, manpages.debian.org
* Ubuntu Manpage Repository, manpages.ubuntu.com
* manual pages from Arch Linux packages, man.archlinux.org
* FreeBSD Man Pages, freebsd.org
* OpenBSD manual page server, man.openbsd.org
* NetBSD Manual Pages, man.netbsd.org
* Source Browser, opensource.apple.com – source man pages can be found in the tree
* Commands in AIX 7.1 documentation, ibm.com
* Commands in AIX 7.2 documentation, ibm.com
* Commands in AIX 7.3 documentation, ibm.com
* man pages section 1 for SunOS (pdf), February 2004, docs.oracle.com
* man pages section 1 for Solaris 10 8/11, August 2011, docs.oracle.com
* man pages section 1 for Solaris 10 1/13, January 2013, docs.oracle.com
* man pages section 1 for Solaris 11.1, October 2012, docs.oracle.com
* man pages section 1 for Solaris 11.4, February 2022, docs.oracle.com
* Manual Pages for UnixWare 7 Release 7.1.4, 2004, xinuos.com
* Manual Pages for OpenServer 6, sco.com
* man pages, nixdoc.net – has Tru64 Unix, HP-UX 11i and IRIX
Links to Unix specifications:
* IEEE P1003.2 Draft 11.2−September 1991 (pdf) - Shell and Utilities, princeton.edu
* 1003.2-1992 POSIX Part 2: Shell and Utilities, ieee.org - requires sign in to view
* X/Open CAE Specification Commands and Utilities Issue 4, Version 2 (pdf), 1994, opengroup.org
* Single UNIX® Specification, Version 1 Document Set (UNIX 95), opengroup.org – requires login to download
* The Single UNIX ® Specification, Version 2, 1997, opengroup.org
* The Open Group Base Specifications Issue 6, 2004, opengroup.org
* The Open Group Base Specifications Issue 7, 2008 edition, opengroup.org
* The Open Group Base Specifications Issue 7, 2013 edition, opengroup.org
* The Open Group Base Specifications Issue 7, 2016 edition, opengroup.org
* The Open Group Base Specifications Issue 7, opengroup.org – latest edition
* POSIX and Single UNIX Specification, wikipedia.org
Links to operating system documentation home pages other than man pages:
* GNU Manuals Online, gnu.org
* The Linux Documentation Project, tldp.org
* FreeBSD Documentation, docs.freebsd.org
* OpenBSD Frequently Asked Questions, openbsd.org
* NetBSD Documentation, netbsd.org
* DragonFly BSD Documentation, dragonflybsd.org
* Operating Systems Documentation for Solaris, docs.oracle.com
* Minix 3 Wiki, wiki.minix3.org
* Documentation, debian.org
* Official Ubuntu Documentation, help.ubuntu.com
* User Documentation, docs.fedoraproject.org
Links to operating system wikis:
* FrontPage, wiki.freebsd.org
* NetBSD Wiki, wiki.netbsd.org
* FrontPage, wiki.debian.org
* Home, wiki.ubuntu.com
* Main Page, wiki.archlinux.org
* Minix 3 Wiki, wiki.minix3.org
* The Linux Foundation wiki, wiki.linuxfoundation.org
* Fedora Project Wiki, fedoraproject.org
* Main Page, en.opensuse.org
* Main Page, wiki.manjaro.org
* Main Page, wiki.alpinelinux.org
* Main Page, wiki.gentoo.org
Links to source code:
* linux, github.com – Linux kernel
* coreutils, github.com – mirror of GNU Coreutils (echo, date, sort, etc.), usually used in Linux distributions
* darwin-xnu, github.com – Darwin XNU kernel of macOS
* Source Browser, opensource.apple.com – including the kernel XNU, shell_cmds (echo, date, sh, etc.), awk, yacc, X11 and many more
* freebsd-src, github.com – read-only mirror of FreeBSD
* openbsd/src, github.com – mirror of the official CVS repository of OpenBSD
* NetBSD/src, github.com – mirror of the official CVS repository of NetBSD
* kofemann/opensolaris, github.com – source code of the discontinued OpenSolaris
* solaris-userland, github.com – userland utilities of Solaris operating system
* The Unix Tree, tuhs.org – the source code of old versions of Unix