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Tux To help others who use Linux like we do, we have made this page so it is easy to locate information relating to Linux commands. This page uses the Linux "man" command to provide the most up to date command information we can get for you. You can enter commands manually into the search box listed above, or you can select from the list of popular commands shown below.

  • adduser, addgroup - add a user or group to the system
  • agetty - alternative Linux getty
  • apt - Advanced Package Tool
  • apt-cache - query the APT cache
  • apt - command-line interface
  • apt-get - APT package handling utility -- command-line interface
  • badblocks - search a device for bad blocks
  • barcode - a stand alone program to run the barcode library
  • bash - GNU Bourne-Again SHell
  • blkid - command-line utility to locate/print block device attributes
  • blkid - locate/print block device attributes
  • bn - multiprecision integer arithmetics
  • boot-scripts - general description of boot sequence
  • cat - concatenate files and print on the standard output
  • chmod - change file mode bits
  • chown - change file owner and group
  • closelog, openlog, syslog, vsyslog - send messages to the system logger
  • cp - copy files and directories
  • cut - remove sections from each line of files
  • date - print or set the system date and time
  • dd - convert and copy a file
  • df - report file system disk space usage
  • dhclient - Dynamic Host Configuration Protocol Client
  • dir - list directory contents
  • dpkg - package manager for Debian
  • echo - display a line of text
  • fdisk - manipulate disk partition table
  • fdisk - Partition table manipulator for Linux
  • fgetpos, fseek, fsetpos, ftell, rewind - reposition a stream
  • find - search for files in a directory hierarchy
  • fmt - simple optimal text formatter
  • free - Display amount of free and used memory in the system
  • fsck - check and repair a Linux filesystem
  • fsck - check and repair a Linux file system
  • ftp -- Internet file transfer program
  • gawk - pattern scanning and processing language
  • gedit - text editor for the GNOME Desktop
  • gksu - GTK+ frontend for su and sudo
  • gnu Parted - a partition manipulation program
  • gparted - Gnome partition editor for manipulating disk partitions.
  • grep, egrep, fgrep, rgrep - print lines matching a pattern
  • groupadd - create a new group
  • groupmod - modify a group definition on the system
  • halt, poweroff, reboot - Halt, power-off or reboot the machine
  • history - GNU History Library
  • host - DNS lookup utility
  • hosts - static table lookup for hostnames
  • id - print real and effective user and group IDs
  • ifconfig - configure a network interface
  • ifdown - take a network interface down
  • ifquery - parse interface configuration
  • iftop - display bandwidth usage on an interface by host
  • ifup - bring a network interface up
  • ip - show / manipulate routing, devices, policy routing and tunnels
  • killall - kill processes by name
  • less - opposite of more
  • ln - make links between files
  • login, logout - write utmp and wtmp entries
  • login - begin session on the system
  • lp - line printer devices
  • lp - print files
  • ls - list directory contents
  • lsof - list open files
  • man - an interface to the on-line reference manuals
  • mdadm - manage MD devices aka Linux Software RAID
  • mkdir - make directories
  • more -- file perusal filter for crt viewing
  • more - file perusal filter for crt viewing
  • mount - mount a filesystem
  • mv - move (rename) files
  • nmap - Network exploration tool and security / port scanner
  • nohup - run a command immune to hangups, with output to a non-tty
  • nslookup - query Internet name servers interactively
  • openvt - start a program on a new virtual terminal (VT).
  • passwd - change user password
  • php-cgi - PHP Common Gateway Interface 'CGI' command
  • php - PHP Command Line Interface 'CLI'
  • ping, ping6 - send ICMP ECHO_REQUEST to network hosts
  • pipe, pipe2 - create pipe
  • pipe - Postfix delivery to external command
  • ps - report a snapshot of the current processes.
  • pwd - print name of current/working directory
  • reboot, halt, poweroff - reboot or stop the system
  • rm - remove files or directories
  • rmdir - remove empty directories
  • rsync - a fast, versatile, remote (and local) file-copying tool
  • sed - stream editor for filtering and transforming text
  • sendmail - an electronic mail transport agent
  • sendmail - Postfix to Sendmail compatibility interface
  • setup - setup devices and filesystems, mount root filesystem
  • setup - setup devices and file systems, mount root file system
  • shell - Print the message of the day and launch a shell
  • shutdown - bring the system down
  • shutdown - Halt, power-off or reboot the machine
  • sort - sort lines of text files
  • split - split a file into pieces
  • ssh -- OpenSSH SSH client (remote login program)
  • stat - display file or file system status
  • strace - trace system calls and signals
  • su - change user ID or become superuser
  • sudo, sudoedit - execute a command as another user
  • tac - concatenate and print files in reverse
  • tail - output the last part of files
  • tar -- The GNU version of the tar archiving utility
  • telnet -- user interface to the TELNET protocol
  • time - run programs and summarize system resource usage
  • top - display Linux processes
  • top - display Linux tasks
  • touch - change file timestamps
  • traceroute - print the route packets trace to network host
  • trunc, truncf, truncl - round to integer, towards zero
  • trunc, truncf, truncl - round to integer, toward zero
  • umount - unmount file systems
  • uname - print system information
  • useradd - create a new user or update default new user information
  • usermod - modify a user account
  • vim - Vi IMproved, a programmers text editor
  • w - Show who is logged on and what they are doing.
  • wc - print newline, word, and byte counts for each file
  • wget - The non-interactive network downloader.
  • which - locate a command
  • whoami - print effective userid
  • whois - client for the whois directory service
  • xargs - build and execute command lines from standard input
  • xterm - terminal emulator for X
  • yes - output a string repeatedly until killed
  • zip - package and compress (archive) files

Popular command count: 127

We also have a couple special commands that we use on a regular basis taht help us out and we would like to share these tools with you here on the web.

  • whois - Tries to identify the owner and other information relating to a web domain
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