Section J.
UNIX COMMAND SUMMARY
See the on-line man pages on your system for syntax, options,
and specific function of each command.
awk - pattern scanning and processing language
cal - display a calendar
cat - concatenate and display
cc - C compiler
chgrp - change the group ownership of a file
chmod - change the permissions mode of a file
cmp - perform a byte-by-byte comparison of two files
comm - display lines in common, and lines not in common,
between two sorted lists
compress, uncompress, zcat - compress or expand files,
display expanded contents
cp - copy files
cpio - copy file archives in and out
csh - a shell (command interpreter) with a C-like syntax
and advanced interactive features
csplit - split a file with respect to a given context
cut - remove selected fields from each line of a file
date - display or set the date
df - report free disk space on file systems
diff - display line-by-line differences between pairs of text
files
du - display the number of disk blocks used per directory
or file
echo - echo arguments to the standard output
ed - basic line editor
ex, edit, e - line editor
expr - evaluate arguments as a logical, arithmetic, or string
expression
file - determine the type of a file by examining its contents
find - find files by name, or by other characteristics
finger - display information about users
ftp - file transfer program
grep, egrep, fgrep - search a file for a string or regular
expression
head - display first few lines of specified files
hostid - print the numeric identifier of the current host
hostname - set or print name of current host system
kill - send a signal to a process, or terminate a process
login - log in to the system
lp, cancel - send/cancel requests to a printer
lpstat - display the printer status information
ls - list the contents of a directory
mail - read or send mail messages
man - display reference manual pages; find reference
pages by keyword
mesg - permit or deny messages on the terminal
mkdir - make a directory
more, page - browse or page through a text file
mv - move or rename files
nohup - run a command immune to hangups and quits
nroff - format documents for display or line-printer
passwd, chfn, chsh - change local or NIS password information
paste - join corresponding lines of several files, or subse-
quent lines of one file
perl - Practical Extraction and Report Language
ps - display the status of current processes
pwd - display the pathname of the current working
directory
rm, rmdir - remove (unlink) files or directories
sed - stream editor
sh - shell, the standard UNIX system command interpreter
and command-level language
size - display the size of an object file
sleep - suspend execution for a specified interval
sort - sort and collate lines
spell - report spelling errors
split - split a file into pieces
stty - set or alter the options for a terminal
tail - display the last part of a file
tar - create tape archives, and add or extract files
tee - replicate the standard output
telnet - user interface to a remote system using the TELNET
protocol
test - return true or false according to a conditional
expression
time - time a command
troff - typeset or format documents
tty - display the name of the terminal
umask - display the file creation mask
uname - display the name of the current system
uniq - remove or report adjacent duplicate lines
uucp - Unix to Unix copy
vi, view, vedit - visual display editor based on ex(1)
w - who is logged in, and what are they doing
wc - display a count of lines, words, and characters
who - who is logged in on the system
write - write a message to another user
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