Administration
Books, How-To and Walk-Through Documents, Magazines, Organizations, Software, Vendors, Backup Central: Linux bare metal recovery, Charles Scott Schuler., Doom as a tool for system administration, Fnord sysadmin resources, General UNIX discussion forum at Tek-Tips, GNU/Linux Command Line Tools Summary, Hubba's Unix resources, Introduction to Unix System Administration, Learning Unix, Linux administration
AIX
FAQs, IBM Resources, Vendors, AIX Information and Resources, AIX Library Server, AIX Update, Bull AIX Freeware, Comp.Unix.Aix archive, Download AIX Software, I-006:, I-029:, IBM AIX: Unix Operating System, Introduction to VTAIX
BSD
BSD-OS, Darwin, FreeBSD, NetBSD, OpenBSD, User Groups, 4.4BSD Documents, BSD At Work, BSD DevCenter, BSD Driver Database, BSD Forums, BSD Mall, BSD Resources, BSD Search, BSD Support Forum, BSDSearch.com
Documentation
Transitioning to Unix, Tutorials, Allexperts Unix Q and A, Examware, First Edition Unix Manual, Intermediate Unix, Online Single Unix Specification, pyttymon, Remote Control of UNIX Netscape Browsers, Understanding Unix Concepts, Unix and Linux Commands, Unix Filesystem
History
A Brief History of Unix, A Brief Synopsis of Unix History, A History of UNIX before Berkeley, About the FreeBSD Project, Bell Labs: Selected Technical Reports, CSRG Archive CD-ROMs, Dennis Ritchie's Home Page, History of the BSD Daemon, History of Unix, Linux, and Open Source, Nick Moffitt's $7 History of Unix
HP-UX
FAQ, Mailing Lists, Porting and Archives, Products, Publications, HP Electronic Support Center, HP Electronic Support Center, HP Technical Computing, HP-UX forum at Tek-Tips, HP-UX System Administrator Resource Page, Interex - Hewlett-Packard User Association
IRIX
Administration, Companies, Documentation, Hardware, Programming, SGI Advice and Technical Data, SGI FAQs
Macintosh
BSD, Mach, Apple Unix Server Penelope, Apple-Flavored Unix, OpenMac, UNIX for Macintosh
MINIX
Bibliography on Minix, a UNIX-like OS, Brad's MacMinix Page, MacMinix, MINIX, MINIX Information Sheet, Minix on the Net, Minix-vmd, MINIX.ORG, Minix1.Hampshire.edu
Open Source
ACM Crossroads: Operating Freely, COTSE-Mini UNIX Distributions, Linux and BSD, Open Source Giants, Open Source Unix and Related Software Projects, PIOS: Pleasant Interactive Operating System, Thix
OSF1
Compaq eBusiness Solutions, Compaq Porting Assistant, Digital Unix Documentation Library, Digital Unix FAQ, Tru64 Unix, TruCluster Software, Ultrix FAQ
Products
ARA Network, computer equipment fire walls FreeBSD consulting, CoSORT, CoSORT: Unix Sorting/ETL Software, Symark Software
Programming
Autoconf Tutorial, FAQ: comp.unix.programmer, FAQ: comp.unix.programmer, FAQ: Programming Unix Sockets in C, IP Filter, lex/yacc, 2nd Edition, Libsafe, Serial Programming Guide for POSIX Operating Syste, TotalView Multiprocess Debugger, UNIX and Programming Section
Publications
ACM Crossroads: There Can Only Be One, Network Computing Online Unix World Home Page, Tru64 UNIX Documentation
SCO
Boycott, Lawsuits, UnixWare, A.P. Lawrence-SCO Unix Consultant, Caldera Buys SCO Unix & Professional Services, Caldera Is SCO's Savior, Caldera Name Change Puts Unix First, Caldera Renames Itself SCO Group, Caldera's Cash Woes Continue, But Love Says C, comp.unix.sco.* FAQ List, Comparing Server OSes: Why SCO Unix is a Bad Idea, Esker VSI-FAX Fax Server Software, Free SCO OpenServer 3.2v5.0.2 Installation Notes
Security
Admin Tools-Software, Conferences, Documentation, Exploit Software, FAQs, Help, and Tutorials, Mailing Lists, News and Media, Projects, Protection, An Architectural Overview of UNIX Network Security, Computer Security, OpenBSD release errata, Secure your Digital UNIX (Tru64) Alpha, SysAdmin & Security Resource Center, The Website of Johnny, Unix and Security Services and Solutions, Unix System Security Tools -- Introduction, Vapid Labs
Shell
bash, csh, Scripting, zsh, AE Shell, Commandline Culture Shock, comp.unix.shell FAQ, Cygwin, Dotfile Generator, GNV, Hamilton C shell Product Overview, HTML Shell, Introduction to the Unix Shell, Jsh Development Home
Software
Directories, Packages, Screen, 1776, Inc., Acme Software, April System Design, AT T Labs Research, Common UNIX Printing Solution (CUPS), comp.sources.unix, Generic NQS, GMT - The Generic Mapping Tools, GNU Project: Free Software Foundation: FSF, Kbackup
Solaris
Administration, Documentation, Programming, Computing.Net - Solaris Forum, CSW - Community Software Packages, Everything Solaris, Freeware4SUN, Getting Started with Solaris, OpenSolaris.org, Solaris 2 FAQ, Solaris 8 Jumpstart Setup, Solaris 9 Operating Environment, Solaris Build Document
User Groups
BUUG, HUMBUG, KULUA, Ottawa Carleton Unix Users Group: OCUUG, RIFUG, TFUG, UK Unix User Group: UKUUG
Win32
DJGPP, gcc for Win32, GNU Emacs for Windows NT and Windows 95/98, GNU Software for MS-Windows and MS-DOS, GNU-Win32 Related Projects, Hamilton C Shell, Interix, Mingw32 FAQ, MKS Unix-Windows Co-Existence Products, Porting Unix to Windows NT
The Unix-Haters Handbook
Complete text of the book edited by Simson Garfinkel, Daniel Weise, and Steven Strassmann. [PDF]
TUCOWS News: Windows NT: A Reality Check
The Internet runs on *nix, not NT.
Unix Days Are Over
Author explains why he believes Windows is superior to Unix.
Unix or Unix-like Operating Systems
Descriptions and links to various types.
Unix Realm
Portal of Unix related information mainly for system administrators.
Unix Research Central
Unix information search engine indexes thousands of Unix web sites.
UnixGeeks.org
A growing repository of resources and information related to the Unix operating system. All content is maintained by the group of users, to which membership is free.