Example Commands for Ubuntu/Linux
Step by Step Instructions
arch
Print machine architecture. --help display this help an...
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atrm
at and batch read commands from standard input or a spe...
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bash
Bash is an sh-compatible command language interpreter t...
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chfn
The chfn command changes user fullname, office room num...
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chrt
chrt sets or retrieves the real-time scheduling attribu...
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chsh
The chsh command changes the user login shell. This det...
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comm
Compare sorted files FILE1 and FILE2 line by line. When...
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cpan
This script provides a command interface (not a shell) ...
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cpio
GNU cpio copies files between archives and directories....
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cron
cron is started automatically from /etc/init.d on enter...
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curl
curl is a tool to transfer data from or to a server, us...
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dash
dash is the standard command interpreter for the system...
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date
Display the current time in the given FORMAT, or set th...
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delv
delv is a tool for sending DNS queries and validating t...
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diff
Compare FILES line by line. Mandatory arguments to long...
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dpkg
dpkg is a tool to install, build, remove and manage Deb...
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edit
run-mailcap (or any of its aliases) will use the given ...
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expr
--help display this help and exit --version output vers...
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file
This manual page documents version 5.32 of the file com...
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find
This manual page documents the GNU version of find.
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fold
Wrap input lines in each FILE, writing to standard outp...
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free
free displays the total amount of free and used physica...
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from
The from utility prints out the mail header lines from ...
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fsck
fsck is used to check and optionally repair one or more...
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gawk
Gawk is the GNU Project's implementation of the AWK pro...
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gcov
gcov is a test coverage program. Use it in concert with...
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genl
The genl utility provides a simple frontend to the gene...
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geqn
This manual page describes the GNU version of eqn, whic...
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gpgv
gpgv is an OpenPGP signature verification tool. This pr...
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gpic
This manual page describes the GNU version of pic, whic...
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grep
grep searches for PATTERN in each FILE. A FILE of “-” s...
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grog
grog reads the input (file names or standard input) and...
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gzip
Gzip reduces the size of the named files using Lempel-Z...
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h2ph
h2ph converts any C header files specified to the corre...
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h2xs
h2xs builds a Perl extension from C header files. The e...
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halt
halt, poweroff, reboot may be used to halt, power-off o...
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head
Print the first 10 lines of each FILE to standard outpu...
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host
host is a simple utility for performing DNS lookups. It...
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htop
Htop is a free (GPL) ncurses-based process viewer for L...
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i386
setarch currently only affects the output of uname -m. ...
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init
systemd is a system and service manager for Linux opera...
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ipcs
ipcs shows information on the inter-process communicati...
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join
For each pair of input lines with identical join fields...
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kill
The default signal for kill is TERM. Use -l or -L to li...
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kmod
kmod is a multi-call binary which implements the progra...
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last
last searches back through the /var/log/wtmp file (or t...
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less
Less is a program similar to more (1), but it has many ...
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link
Call the link function to create a link named FILE2 to ...
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