Linux Commands Examples

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network

netcat : NC(1) BSD General Commands Manual NC(1) nc — arbitrary TCP and UDP connections and listens
ping : 6 send ICMP ECHO_REQUEST to network hosts
nmcli : – commandline tool for controlling NetworkManager
telnet : user interface to the TELNET protocol
sftp : secure file transfer program
openssl : OpenSSL command line tool
...

shell

busybox : The Swiss Army Knife of Embedded Linux
usermod : modify a user account
which : locate a command
fusermount : mount and unmount FUSE filesystems
watch : execute a program periodically, showing output fullscreen
locale : specific information.
...

filesystem

resize2fs : ext2/ext3/ext4 file system resizer
passwd : change user password
fsck : check and repair a Linux filesystem
chown : change file owner and group
hdparm : get/set SATA/IDE device parameters
mkfs.ext3 : create an ext2/ext3/ext4 filesystem
...

programming

strace : trace system calls and signals
startpar : start runlevel scripts in parallel
MAKEDEV : create devices
busybox : The Swiss Army Knife of Embedded Linux
ipcmk : create various ipc resources
xargs : build and execute command lines from standard input
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file

passwd : change user password
su : change user ID or become superuser
mkfs.ext2 : create an ext2/ext3/ext4 filesystem
egrep : , fgrep, rgrep print lines matching a pattern
hexdump : , hd ASCII, decimal, hexadecimal, octal dump
apachectl : Apache HTTP server control interface
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graphic manipulation

start-stop-daemon : start and stop system daemon programs
gimp : an image manipulation and paint program.
loadunimap : load the kernel unicode-to-font mapping table
dkms : Dynamic Kernel Module Support
bmptoppm : convert a BMP file into a portable anymap
pamoil : turn a PAM image into an oil painting
...

database

mysqlimport : a data import program
mysqld_safe : MySQL server startup script
mysql_fix_extensions : normalize table file name extensions
bluez-test-service :
pwd : print name of current/working directory
gst-launch-1.0 : build and run a GStreamer pipeline
...

X

xfreerdp : FreeRDP X11 client
gnome-terminal : is a terminal emulation application.
file-roller : archive manager for GNOME
bluez-test-discovery :
setxkbmap : set the keyboard using the X Keyboard Extension
airtun-ng : a virtual tunnel interface creator for aircrack-ng
...

package management

python2.7 : an interpreted, interactive, object-oriented programming language
dh_installdeb : install files into the DEBIAN directory
update-java-alternatives : update alternatives for jre/sdk installations
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
pk2bm : create a bitmap from a TeX pkfont
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printer

ppdc : cups ppd compiler
ghostscript : Ghostscript (PostScript and PDF language interpreter and previewer)
foomatic-ppd-to-xml :
gsdj500 : Format and print text for DeskJet 500 BubbleJet using ghostscript gslj - Format and print text for LaserJet printer using ghostscript
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
...

text manipulation

xmlpatterns :
fgrep : , rgrep print lines matching a pattern
lame : create mp3 audio files
update-grub : stub for grub-mkconfig
dvipdf : Convert TeX DVI file to PDF using ghostscript and dvips
tac : concatenate and print files in reverse
...

privacy

passwd : change user password
wpa_passphrase : Generate a WPA PSK from an ASCII passphrase for a SSID
gpgsplit : Split an OpenPGP message into packets
sha1sum : compute and check SHA1 message digest
nohup : run a command immune to hangups, with output to a non-tty
tor-resolve : resolve a hostname to an IP address via tor
...

sound manipulation

audacity : Graphical cross-platform audio editor
gst-launch-1.0 : build and run a GStreamer pipeline
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
pasuspender : Temporarily suspend PulseAudio
passwd : change user password
...

Access Control List

su : change user ID or become superuser
uic :
start-stop-daemon : start and stop system daemon programs
nohup : run a command immune to hangups, with output to a non-tty
mkfs.vfat : create an MS-DOS file system under Linux
sha1sum : compute and check SHA1 message digest
...

file compression

sha1sum : compute and check SHA1 message digest
zipsplit : split a zipfile into smaller zipfiles
unrar : extract files from rar archives
scp-dbus-service :
file-roller : archive manager for GNOME
lzcat : Compress or decompress .xz and .lzma files
...

text editor

kerneloops : program to collect and submit kernel oopses to kerneloops.org
update-grub : stub for grub-mkconfig
gedit : text editor for the GNOME Desktop
sha1sum : compute and check SHA1 message digest
view : Vi IMproved, a programmers text editor
bibtex.original : make a bibliography for (La)TeX
...

boot settings

grub-mkimage : make a bootable image of GRUB
passwd : change user password
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
update-grub : stub for grub-mkconfig
syslinux : install the SYSLINUX bootloader on a FAT filesystem
iconv : Convert encoding of given files from one encoding to another
...

font

lame : create mp3 audio files
start-stop-daemon : start and stop system daemon programs
iwlist : Get more detailed wireless information from a wireless interface
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
debugfs : ext2/ext3/ext4 file system debugger
ofm2opl : convert Omega and TeX font-metric files to property-list files
...

mail

sha1sum : compute and check SHA1 message digest
logrotate : rotates, compresses, and mails system logs
lame : create mp3 audio files
loadunimap : load the kernel unicode-to-font mapping table
mimeopen : Open files by mimetype
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
...

Media Player

subtitle2pgm :
svlc : , nvlc, rvlc, cvlc the VLC media player
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
update-grub : stub for grub-mkconfig
passwd : change user password
cweave : translate CWEB to C and/or TeX
...

webserver

a2ensite : enable or disable an apache2 site / virtual host
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
passwd : change user password
iconv : Convert encoding of given files from one encoding to another
lame : create mp3 audio files
...

virtualization

sha1sum : compute and check SHA1 message digest
innochecksum : offline InnoDB file checksum utility
ping : 6 send ICMP ECHO_REQUEST to network hosts
start-stop-daemon : start and stop system daemon programs
VBoxControl : x86 virtualization solution
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
...

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