Unix

Articles

ssh
ssh - OpenSSH SSH client (remote login program)

pr
pr - convert text files for printing

dirname
dirname - strip non-directory suffix from file name

df
df - report file system disk space usage

du
du - estimate file space usage

dd
dd - convert and copy a file

env
env - run a program in a modified environment

cpio
cpio - copy files to and from archives

cp
cp - copy files and directories

comm
comm - compare two sorted files line by line

cmp
cmp - compare two files byte by byte

file
file - determine file type

fgrep
grep, egrep, fgrep, rgrep - print lines matching a pattern

fold
fold - wrap each input line to fit in specified width

ftp
ftp - Internet file transfer program

join
join - join lines of two files on a common field

id
id - print user identity

head
head - output the first part of files

hostname
hostname - show or set the system's host name dnsdomainname - show the system's DNS domain name

basename
basename - strip directory and suffix from filenames

awk
gawk - pattern scanning and processing language

banner
banner - print large banner on printer

gzip
gzip, gunzip, zcat - compress or expand files

gunzip
gzip, gunzip, zcat - compress or expand files

groups
groups - print the groups a user is in

lp
lp - line printer devices

paste
paste - merge lines of files

printf
printf - format and print data

page
page - set and get form page number

nice
nice - run a program with modified scheduling priority

nl
nl - number lines of files

mail
mail, mailx, Mail - send and receive mail

ln
ln - make links between files

write
write - send a message to another user

view
vim - Vi IMproved, a programmers text editor

rlogin
ssh - OpenSSH SSH client (remote login program)

shutdown
shutdown - bring the system down

sleep
sleep - delay for a specified amount of time

split
split - split a file into pieces

rcp
scp - secure copy (remote file copy program)

uname
uname - print system information

whatis
whatis - display manual page descriptions

wc
wc - print the number of newlines, words, and bytes in files

who
who - show who is logged on

tty
tty - print the file name of the terminal connected to standard input

vi
vim - Vi IMproved, a programmers text editor

su
su - change user ID or become super-user

rmdir
rmdir - remove empty directories

rm
rm - remove files or directories

more
more - file perusal filter for crt viewing