User Commands
- apropos - locate commands by keyword lookup
- awk - pattern scanning and processing language
- banner - make posters
- basename - return non-directory portion of a pathname
- bc - arbitrary-precision arithmetic language
- bdiff - big diff
- bfs - big file scanner
- cal - print calendar
- calendar - reminder service
- cat - concatenate and print files
- chgrp - change owner or group
- chmod - change mode
- chown - change owner or group
- cksum - write file checksums and sizes
- cmp - compare two files
- col - filter reverse line feeds
- comm - select or reject lines common to two sorted files
- copy - (XENIX) copy groups of files
- cp - copy files
- cpio - copy file archives in and out
- csplit - context split
- cut - cut out selected fields of each line of a file
- date - print or set the date
- dc - desk calculator
- dd - convert and copy a file
- deroff - remove nroff/troff, tbl, and eqn constructs
- df - disk free
- dfspace - disk free
- diff - differential file comparator
- diff3 - 3-way differential file comparison
- dircmp - directory comparison
- dirname - return the directory portion of a pathname
- du - summarize disk usage
- echo - echo arguments
- ed - text editor
- egrep - search a file for a pattern using full regular
- env - set environment for command invocation
- expand - convert tabs to spaces
- expr - evaluate arguments as an expression
- factor - factor a number
- false - provide truth values
- fgrep - search a file for a character string
- file - determine file type
- find - find files
- fmt - simple text formatter
- fmtmsg - display a message in standard format
- fold - fold long lines
- getconf - get configuration values
- getopt - parse command options
- grep - search a file for a pattern
- groups - show group memberships
- hd - (XENIX) display files in hexadecimal format
- head - display first few lines of files
- hostname - set or print name of current host system
- id - print user and group IDs and names
- intro - introduction to commands
- join - relational database operator
- kill - terminate a process
- lc - list contents of directory
- line - read one line
- listusers - print a list of user logins
- ln - make a link
- logins - list login information
- logname - get login name
- ls - list contents of directory
- mail - send or receive mail among users
- man - find and display reference manual pages
- mesg - permit or deny messages
- mkdir - make a directory
- mkfifo - make FIFO special file
- more - browse or page through a text file
- mt - magnetic tape utility
- mv - move or rename files and directories
- mvdir - move a directory
- nawk - pattern scanning and processing language
- newform - change the format of a text file
- news - print news items
- nice - run a command at low priority
- nl - line numbering filter
- nohup - run a command immune to hangups
- oawk - pattern scanning and processing language
- od - octal dump
- page - browse or page through a text file
- paste - merge same lines of several files or subsequent lines of
- pathchk - check pathnames
- pax - portable archive interchange
- pg - file perusal filter for CRTs
- pgrep - find or signal processes by name and other
- pkill - find or signal processes by name and other
- pr - print files
- printenv - print out the environment
- printf - print a text string
- priocntl - process scheduler control
- ps - process status
- psrinfo - displays information about processors
- ptime - time a command
- pwd - working directory name
- random - (XENIX) generate a random number
- readlink - displays the target of a symbolic link
- renice - alter priority of running processes
- rev - reverse lines of a file
- rm - remove directory entries
- rmdir - remove directories
- sdiff - print file differences side-by-side
- sed - stream editor
- seq - print a sequence of numbers
- setpgrp - set process group ID and session ID
- settime - (XENIX) change the access and modification dates of
- shl - shell layer manager
- sleep - suspend execution for an interval
- sort - sort or merge files
- spell - find spelling errors
- split - split a file into pieces
- stty - set the options for a terminal
- su - become super-user or another user
- sum - sum and count blocks in a file
- tabs - set terminal tabs
- tail - deliver the last part of a file
- tape - magnetic tape maintenance
- tapecntl - tape control for tape devices
- tar - tape archiver
- tcopy - copy a magnetic tape
- tee - pipe fitting
- test - condition command
- time - time a command
- timeout - execute a command with a time limit
- touch - update file access and modification times
- tr - translate characters
- true - provide truth values
- tsort - topological sort
- tty - get terminal name
- ul - underline
- uname - get system name
- unexpand - convert spaces to tabs
- uniq - report repeated lines in a file
- units - conversion program
- uptime - show how long system has been up
- users - display a compact list of users logged in
- w - who is on and what they are doing
- watch - Keep an eye on a command output.
- wc - word count
- what - extract SCCS version information from a file
- whatis - display a one-line summary about a keyword
- who - who is on the system
- whoami - display the effective current username
- whodo - who is doing what
- write - write to another user
- xargs - construct argument list(s) and execute command
- yes - (XENIX) print string repeatedly