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
openssl : OpenSSL command line tool
sftp : secure file transfer program
...

shell

busybox : The Swiss Army Knife of Embedded Linux
usermod : modify a user account
which : locate a command
watch : execute a program periodically, showing output fullscreen
locale : specific information.
startpar : start runlevel scripts in parallel
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filesystem

resize2fs : ext2/ext3/ext4 file system resizer
fsck : check and repair a Linux filesystem
chown : change file owner and group
passwd : change user password
fsck.ext4 : check a Linux ext2/ext3/ext4 file system
hdparm : get/set SATA/IDE device parameters
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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
add-apt-repository : Adds a repository into the /etc/apt/sources.list or /etc/apt/sources.list.d or removes an existing one
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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
ispell-autobuildhash : Autobuilding the ispell hash file for some dicts
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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
cweave : translate CWEB to C and/or TeX
nohup : run a command immune to hangups, with output to a non-tty
usermod : modify a user account
passwd : change user password
...

X

xfreerdp : FreeRDP X11 client
gnome-terminal : is a terminal emulation application.
cweave : translate CWEB to C and/or TeX
bibtex : make a bibliography for (La)TeX
gnome-session-quit : End the current GNOME session
signon-ui :
...

package management

dpkg-architecture : set and determine the architecture for package building
iconv : Convert encoding of given files from one encoding to another
gst-launch-1.0 : build and run a GStreamer pipeline
MAKEDEV : create devices
aptd : package managing daemon proving a D-Bus interface
lame : create mp3 audio files
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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

bluez-simple-service :
unwrapdiff : demangle word-wrapped patches
fmtutil-sys : utility for maintaining TeX format files system-wide
ping : 6 send ICMP ECHO_REQUEST to network hosts
loadunimap : load the kernel unicode-to-font mapping table
awk : pattern scanning and processing language
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privacy

passwd : change user password
cweave : translate CWEB to C and/or TeX
ssh-add : adds private key identities to the authentication agent
iptables-apply : a safer way to update iptables remotely
airtun-ng : a virtual tunnel interface creator for aircrack-ng
update-grub : stub for grub-mkconfig
...

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

iconv : Convert encoding of given files from one encoding to another
ogmdemux : Extract streams from OGG/OGM files into separate files
znew : recompress .Z files to .gz files
passwd : change user password
loadunimap : load the kernel unicode-to-font mapping table
dvdrip : GUI for copying DVDs
...

text editor

bibtex.original : make a bibliography for (La)TeX
lame : create mp3 audio files
loadunimap : load the kernel unicode-to-font mapping table
find : search for files in a directory hierarchy
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
nohup : run a command immune to hangups, with output to a non-tty
...

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

update-grub : stub for grub-mkconfig
alias :
iconv : Convert encoding of given files from one encoding to another
python2.7 : an interpreted, interactive, object-oriented programming language
kerneloops : program to collect and submit kernel oopses to kerneloops.org
loadunimap : load the kernel unicode-to-font mapping table
...

mail

start-stop-daemon : start and stop system daemon programs
avconv : avconv video converter
airtun-ng : a virtual tunnel interface creator for aircrack-ng
gst-launch-1.0 : build and run a GStreamer pipeline
passwd : change user password
cweave : translate CWEB to C and/or TeX
...

Media Player

passwd : change user password
cweave : translate CWEB to C and/or TeX
avifix : fix header of AVI-file
airtun-ng : a virtual tunnel interface creator for aircrack-ng
loadunimap : load the kernel unicode-to-font mapping table
iconv : Convert encoding of given files from one encoding to another
...

webserver

a2ensite : enable or disable an apache2 site / virtual host
sha1sum : compute and check SHA1 message digest
nohup : run a command immune to hangups, with output to a non-tty
ping : 6 send ICMP ECHO_REQUEST to network hosts
start-stop-daemon : start and stop system daemon programs
spd-conf : A simple tool for basic configuration of Speech Dispatcher and problem diagnostics
...

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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