Common utilities
- admin[?]
- alias - Alias one command to another, e.g. long commands to shorter ones
- anacron[?] - Periodic command scheduler
- anubis - Outgoing mail processor
- apt - Advanced front-end for dpkg
- ar - Maintain, modify, and extract from, archives
- asa
- at - Single-time command scheduler
- awk - A pattern scanning and processing language
- basename - Returns the final component of a path
- bash - Bourne Again SHell, the most common shell on *nix systems
- batch[?]
- bc - Calculator program
- bg[?]
- break[?] - End a loop
- bzip2 - Block-sorting file compressor
- c99[?]
- cal - Displays a calender
- cat - Concatenate files to standard output
- cd - Change the current working directory
- cflow[?]
- chgrp[?] - Change the group of a file or directory
- chmod - Change the permissions of a file or directory
- chown[?] - Change the owner of a file or directory
- cksum[?] - Print the CRC checksum and bytecount of a file
- cmp[?] - Compare two files byte for byte
- colon
- comm - Sort two files and compare them line for line
- command
- compress
- continue[?] - Skip the current iteration of a loop
- cp[?] - Copy a file or directory to another location
- crontab - Crontab file editor
- csplit[?] - Split a file into sections determined by context lines
- ctags[?]
- cut[?] - Remove sections from each line of a file or standard input
- cxref[?]
- daemonic[?] - Interface to daemon init scripts
- date - Print or set the system date and/or time
- dd[?] - Copy and convert a file
- debconf[?] - Package configuration management system
- delta
- df[?] - Report filesystem disk space
- diff - Compare two files line by line
- dirname[?] - Strip non-directory suffixes from a path
- dot[?]
- dpkg - The Debian package manager
- du[?] - Estimate space used on a filesystem
- echo - Print to standard output
- ed - Traditional Unix text editor
- env[?] - Run a program with modified environment variables
- eval[?]
- ex - Text editor, now often a symbolic link to vim
- exec[?]
- exit[?] - Cause the currently running shell script to exit
- expand[?]
- export[?] - Set environment variables for use for the entire duration of the session, unless changed
- expr[?]
- false - Do nothing and fail
- fc[?]
- fg[?]
- file - Determine the type of a file
- find[?] - Search for files through a directory hierarchy
- fink - The Fink package manager
- fold[?] - Wrap each input line to fit within the given width
- fort77[?] - Fortran 77 compiler
- fuser[?] - Identify processes by files or sockets
- galeon - Light-weight GNOME web browser
- gencat[?]
- get[?]
- getconf[?]
- getopts[?]
- gettext[?] - Message localization support
- grep - Print lines matching a pattern
- gzip - The gzip file compressor
- hash
- head - Output the first parts of a file
- iconv[?] - Convert the encoding of the specified files
- id - Print real/effective UIDs/GIDs
- ipcrm[?] - Remove a message queue, semaphore set or shared memory id
- ipcs[?] - Provide information on IPC facilities
- jobs[?]
- join[?] - Join lines of two files on a common field
- kill[?] - Terminate a process
- lex - Lexical scanner generator
- libiconv[?] - Character set conversion library
- link
- links - Console based web browser
- ln[?] - Link one file/directory to another
- locale[?] - Get locale specific information
- localedef[?] - Compile locale definitions
- logger[?] - Make entries in the system log
- logname[?] - Print user's login name
- lp[?]
- ls - List directory conents
- lynx - Console based web browser
- m4 - Macro language
- mailx[?] - Email sending utility
- make - Used to determine which parts of a package need recompiling
- man - Manual browser
- maxima - Symbol manipulation program
- mesg[?] - Control write access to your terminal
- mkdir - Make a directory
- mkfifo[?] - Make a named pipe
- more - Pager
- mozilla - Graphical cross platform web browser
- mv[?] - Move/rename a file or directory
- ncurses - Full-screen ascii drawing library
- newgrp[?] - Log in to a new group
- nice - Alter priorities for processes
- nl[?] - Number the lines of a file
- nm - List symbols from object files
- nohup[?] - Run a command with immunity to hangups outputting to non-tty
- od - Dump files in various formats, e.g. octal
- openssl[?] - Secure Sockets Layer and general crypto library
- passwd[?] - User and group entries for daemons
- paste - Merge lines of files
- patch - Change files based on a patch file
- pathchk[?] - Check the validity/portability of filenames
- pax
- pinepgp[?] - Filters which enables pine to use signed/encrypted email
- pr[?] - Convert text files for printing
- printf[?] - Format and print data
- prs[?]
- ps[?] - Report process status
- pwd - Print the current working directory
- qalter[?]
- qdel[?]
- qhold[?]
- qmove[?]
- qmsg[?]
- qrerun[?]
- qrls[?]
- qselect[?]
- qsig[?]
- qstat[?]
- qsub[?]
- read - Read from a channel
- readonly[?]
- renice[?] - Alter the priorities of an already running process
- return[?] - Return a value
- rm - Delete a file or directory
- rmdel[?]
- rmdir[?] - Delete a directory
- sact[?]
- samba - SMB and CIFS client and server for UNIX
- sccs[?]
- sed - Stream editor
- set - Read and write variables
- sh - Standard Unix shell, usually a symbolic link to bash
- sha-pm[?] - Perl interface to the NIST Secure Hash Algorithm
- shift[?]
- sleep - Delay for specified time
- sort - Sort lines of text files
- split - Split a file into pieces
- strings[?] - Print strings of printable characters found in a file
- strip[?] - Discard symbols from object files
- stty[?] - Change and print terminal line settings
- su[?] - Start a new process (defaults to shell) as a different user (defaults to root)
- tabs[?]
- tail - Output the tail end of files
- talk - Talk to another logged-in user
- tar - GNU tar - tape archiver
- tee[?] - Read from standard input, write to standard output and files
- test - Test an expression
- time - Time a command
- times[?]
- touch - Create a new file or update its modification time
- tput[?] - Initialize a terminal/query terminfo database
- tr[?] - Translate/delete characters
- trap
- true - Excel at doing nothing
- tsort[?] - Perform a topilogical sort
- tty[?] - Print filename of terminal connected to standard input
- type
- ulimit[?] - Get and set user limits
- umask[?] - Set file creation mask
- unalias[?] - Remove an alias
- uname - Print assorted system statistics
- uncompress[?]
- unexpand[?]
- unget[?]
- uniq
- unlink[?]
- unset[?]
- uucp[?]
- uudecode[?]
- uuencode[?]
- uustat[?]
- uux[?]
- uw-imapd-ssl[?] - Remote mail folder access server
- val[?]
- vi - Text editor
- vtun[?] - Virtual Tunnels over TCP/IP
- w3m - Pager/text-based WWW browser
- wait[?]
- wc[?] - Word/line/byte count
- wget[?] - Automatic web site retreiver
- what[?]
- who
- write[?]
- xargs[?]
- yacc
- yafc[?] - Enhanced ftp client, supporting ssh2 (sftp)
- zcat[?]
- zssh[?] - Program for transferring files using SSH
Desktops/Graphical User Interfaces
Multimedia
Database Servers
Database Clients
Network Services
Security Auditing
Network Utilities
Filesystems
Filesystem Utilities
Desktop Publishing
Conversion
- nkf - convert Japanese characters
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