Website based on my experience working as System Administrator

LINUX COMMANDS

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Table of contents

• Introduction
• So what is Linux?
• Logging-in and creating a user account
• Consoles and terminal windows
• The root account
• Creating a user account
• Removing a user account
• Logging-out
• Rebooting
• Virtual terminals and multiple X sessions
• $ startx - start X
• Navigation
• $ cd - change directory
• Listing directories
• Command-switches
• $ ls - list
• Sorted lists
• Other list examples
• $ tree
• $ clear
• $ pwd - print working directory
• File management
• $ cp - copy
• $ mv - move
• $ rm - remove
• $ mkdir - make directory
• $ rmdir - remove directory
• $ ln - link
• $ touch
• Inodes and hard links
• Viewing text files
• $ head
• $ tail
• $ cat
• $ tac
• $ less
• $ sort
• The command history and other shell tricks
• $ history
• Other shell tricks
• Tarballs, gzips, bzip2s, and zips
• $ tar
• $ gzip
• $ bzip2
• $ zip
• $ unzip
• Command-line help
• --help
• $ info
• $ man - manual
• The man database
• $ whatis
• $ apropos
• $ which
• $ whereis
• /usr/doc and /usr/share/doc
• Finding files
• $ find
• Finding files by name
• Finding files by size
• Running commands on files found
• Finding files by owner
• Finding files by modification time
• System information
• $ dmesg - display (kernel) messages generated
• $ df - diskspace free
• $ du - disk usage
• Process management
• $ ps - process
• $ kill
• $ top
• Job control
• Background jobs
• Permanently stopping jobs
• Environment variables
• $HOME
• $PATH
• $SHELL
• The su command
• $ su - substitute user
• Vi survival guide
• Insert/Replace mode
• Command mode
• Save
• Quit
• Open
• Move
• Undo and Redo
• Cut
• Copy and Paste
• Search
• Replace
• Miscellaneous
• Emacs: basic editing
• Key combo reference
• Moving
• Cut, copy, & paste
• Save, open, & exit
• Search & replace
• Buffers/windows
• Undo & redo
• Help
• Repitition
• Miscellaneous
• Customising your shell
• Customising your prompt
• Character sequences
• Creating aliases
• Accessing block devices
• /etc/fstab
• Device
• Mount point
• Filesystem type
• Mount options
• Dump
• Check
• $ mount
• $ umount
• Wildcards
• Installing software
• Installing software from source tarballs
• RPMs and Debian packages
• # ldconfig
• Access rights
• $ groups
• # chgrp - change group
• # chown - change owner
• $ chmod - change mode
• Type
• Owner, group, and other
• Setting permissions: method one
• Examples
• Setting permissions: method two
• Date and time
• $ cal - calendar
• $ date
• Upgrading your kernel
• Booting with Grub
• Booting with Lilo
• How do I create, compile, and run a C program?
• Code example explained
• How do I create, and run a Perl script?
• Further Help
• What's a filesystem, directory, and file?
• What's a current and parent directory?
• Bytes, kilobytes, megabytes, gigabytes?
• What's an absolute and relative path?
• Things still to cover
• Definitely cover soon
• Required improvements
• Cover later
• Other commands

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