The Linux application documentation available under /usr/share/doc directory.
man command – provides detailed information on Linux commands including syntax and options. A user can use HOW-TO, README, INSTALL document for that application.
$ man ls
SPACEBAR – To advance to next page
B – move back a page
Q – Quit man utility and return to a command line
Slash (/) or Question mark (?) – To activate the search
info command – brings up a special screen listing different GNU applications like GNU, C, C++ compiler (gcc) and the Emacs editor
Linux Documentation, Manuals
- Debian Documentation
debian.org › doc - The Linux Documentation Project
tldp.org › guides, linux.die.net
ftp.iitb.ac.in › LDP › manpages › man - The Linux Kernel documentation: Application-developer documentation describing aspects of the kernel interface as seen by application
kernel.org › doc › html - GNU Manuals Online
gnu.org › manual › manual.en.html - GNU Bash Manual
gnu.org › software › bash › manual - Linux Mint Documentation
linuxmint.com › documentation - Kali Training Documentation
kali.training › topic › documentation-sources
kali.org › docs - Git Documentation
SCMgit-scm.com › doc - Linux man Command Tutorial for Beginners
howtoforge.com › linux-man-command - SUSE LINUX Documentation
pks.mpg.de › docs › suse10.1 › suselinux-manual_en › manual - MongoDB Manual
docs.mongodb.com › manual › administration › install-enterprise-linux - Oracle Linux 7 Help Center
docs.oracle.com › Operating Systems › Oracle Linux › Release 7 - MySQL Documentation
dev.mysql.com › doc - Product Documentation for Red Hat Enterprise Linux 8
access.redhat.com › documentation › en-us › Red_Hat_Enterprise_Linux - Ubuntu Manual
manpages.ubuntu.com - Documentation Guides & Manuals for OpenSUSE
doc.opensuse.org -
DB2 Version 9.5 for Linux, UNIX and Windows Manuals
ibm.com › support › pages › db2-version-95-linux-unix-and-widows-english-manuals
Linux Newsgroups & Newsreaders
- Announcements about Linux like news, bug fixes
comp.os.linux.announce - FAQ & HOWTO files, and other important documentation
comp.os.linux.answers - Unmoderated newsgroup for discussion of the administration of Linux systems
comp.os.linux.development - Usenet newsgroup for end-user discussions of the Linux/m68k operating system
comp.os.linux.m68k - News For Open Source Professionals
linux.com - Manjaro News
manjaro.org › news - Discussions about Red Hat Linux
linux.redhat - Discussions about setting up and running the X Window System under Linux
comp.os.linux.x - Linux setup and installation
comp.os.linux.setup - Networking under Linux
comp.os.linux.networking - Miscellaneous topics about Linux
comp.os.linux.misc - Help with various aspects of Linux
comp.os.linux.help - Discussions about Linux and various hardware
comp.os.linux.hardware - Linux operating system development
comp.os.linux.development.system - Linux application development
comp.os.linux.development.apps - KDE newsreaders on the software list
apps.kde.com
KNode - GNOME newsreaders
gnome.org - Mozilla newsreader
mozilla.org - GNOME Windows-like Newsreader
Sylpheed - Emacs editor, mail client, and newsreader
Emacs - Usenet binary grabber for KDE
KLibido - Based on GTK2 and looks like Forte Agent
Pan - Graphical newsreader written in Python and GTK+ toolkit
XPN - Mail/news client with RSS and integrated spam filter support
Thunderbird
Shell Manual
$ man bash for BASH Shell
$ man ksh for Korn Shell
$ man zsh for Z-shell
$ man tsch for TSCH shell
$ man csh for C-shell
- A detailed online manual, FAQ, and content releases like Readline
gnu.org/software/bash - Bash online manual
gnu.org/software/bash/manual/bash.html - Z shell website with references to FAQ and current downloads
zsch.org - TCSH website with comprehensive support including manual, tips, FAQ and recent releases
tcsh.org - Korn shell website with manual, FAQ and references
- kornshell.com