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
watch : execute a program periodically, showing output fullscreen
locale : specific information.
startpar : start runlevel scripts in parallel
xargs : build and execute command lines from standard input
gnome-terminal : is a terminal emulation application.
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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
MAKEDEV : create devices
busybox : The Swiss Army Knife of Embedded Linux
startpar : start runlevel scripts in parallel
time : run programs and summarize system resource usage
ps2ps : , eps2eps Ghostscript PostScript "distiller"
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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.
ls : list directory contents
tiff2ps : convert a TIFF image to PostScript™
dvd-ram-control : checks features of DVD-RAM discs
passwd : change user password
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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
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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 :
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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)
iconv : Convert encoding of given files from one encoding to another
2to3-3.2 : Python2 to Python3 converter
mktexpk : create a PK file for a font
ncal : displays a calendar and the date of Easter
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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
gzexe : compress executable files in place
mkpasswd : Overfeatured front end to crypt(3)
kerneloops : program to collect and submit kernel oopses to kerneloops.org
loadunimap : load the kernel unicode-to-font mapping table
chroot : run command or interactive shell with special root directory
...

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
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Access Control List

su : change user ID or become superuser
usermod : modify a user account
login : begin session on the system
passwd : change user password
MAKEDEV : create devices
update-grub : stub for grub-mkconfig
...

file compression

lzcat : Compress or decompress .xz and .lzma files
airtun-ng : a virtual tunnel interface creator for aircrack-ng
nohup : run a command immune to hangups, with output to a non-tty
avconv : avconv video converter
start-stop-daemon : start and stop system daemon programs
filterdiff : extract or exclude diffs from a diff file
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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

ping : 6 send ICMP ECHO_REQUEST to network hosts
showkey : examine the codes sent by the keyboard
dbus-send : Send a message to a message bus
kerneloops : program to collect and submit kernel oopses to kerneloops.org
cweave : translate CWEB to C and/or TeX
grub-mkimage : make a bootable image of GRUB
...

font

kerneloops : program to collect and submit kernel oopses to kerneloops.org
loadunimap : load the kernel unicode-to-font mapping table
afm2tfm : convert Adobe font metrics to TeX font metrics
sha1sum : compute and check SHA1 message digest
nohup : run a command immune to hangups, with output to a non-tty
lame : create mp3 audio files
...

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

amarok : The audio player for KDE
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
subtitle2pgm :
svlc : , nvlc, rvlc, cvlc the VLC media player
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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

VBoxControl : x86 virtualization solution
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
passwd : change user password
cweave : translate CWEB to C and/or TeX
avconv : avconv video converter
...

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