Linux Commands Examples
A great documentation place for Linux commands
Classified by relevance and popularity
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
arping : send ARP REQUEST to a neighbour host
apache2ctl : Apache HTTP server control interface
rsync : a fast, versatile, remote (and local) file-copying tool
dnsmasq : A lightweight DHCP and caching DNS server.
whois : client for the whois directory service
aircrack-ng : a 802.11 WEP / WPA-PSK key cracker
usermod : modify a user account
mtr : a network diagnostic tool
scp : secure copy (remote file copy program)
ifconfig : configure a network interface
glib-compile-resources : GLib resource compiler
winbindd : Name Service Switch daemon for resolving names from NT servers
lame : create mp3 audio files
filezilla : FTP client
pdffonts : Portable Document Format (PDF) font analyzer (version 3.03)
iconv : Convert encoding of given files from one encoding to another
a2dismod : enable or disable an apache2 module
xgamma : Alter a monitor’s gamma correction through the X server
fax2tiff : create a TIFF Class F fax file from raw fax data
lpoptions : display or set printer options and defaults
strace : trace system calls and signals
xmllint : command line XML tool
synclient : commandline utility to query and modify Synaptics driver options.
watch : execute a program periodically, showing output fullscreen
VBoxClient : x86 virtualization solution
tor : The second-generation onion router
find : search for files in a directory hierarchy
update-grub : stub for grub-mkconfig
lpinfo : show available devices or drivers
nohup : run a command immune to hangups, with output to a non-tty
pdb3.3 : the Python debugger
dhclient : Dynamic Host Configuration Protocol Client
kismet : Wireless sniffing and monitoring
ssh-add : adds private key identities to the authentication agent
grub-mkdevicemap : generate a GRUB device map file automatically
ss : another utility to investigate sockets
avahi-autoipd : IPv4LL network address configuration daemon
unity : wrapper for starting the unity shell and handling fallback
wpa_cli : WPA command line client
avahi-browse : Browse for mDNS/DNS-SD services using the Avahi daemon
setkeycodes : load kernel scancode-to-keycode mapping table entries
gcore : Generate a core file for a running process
python2.7 : an interpreted, interactive, object-oriented programming language
mysqlimport : a data import program
iwconfig : configure a wireless network interface
empathy : GNOME multi-protocol chat and call client
alsactl : advanced controls for ALSA soundcard driver
ls : list directory contents
sha1sum : compute and check SHA1 message digest
tcpdchk : tcp wrapper configuration checker
route : show / manipulate the IP routing table
loadunimap : load the kernel unicode-to-font mapping table
gst-launch-1.0 : build and run a GStreamer pipeline
opera : Fast and secure web browser and Internet suite
tuxpaint-import : Import image files into Tux Paint(1)
resolvconf : manage nameserver information
avconv : avconv video converter
fping : send ICMP ECHO_REQUEST packets to network hosts
kerneloops : program to collect and submit kernel oopses to kerneloops.org
fsck : check and repair a Linux filesystem
ps2pdf14 : Convert PostScript to PDF 1.4 (Acrobat 5-and-later compatible) using ghostscript
jack_rec :
smbcquotas : Set or get QUOTAs of NTFS 5 shares
update-alternatives : maintain symbolic links determining default commands
chrt : manipulate the real-time attributes of a process
metaflac : program to list, add, remove, or edit metadata in one or more FLAC files.
iwlist : Get more detailed wireless information from a wireless interface
unpaper : Post-processing tool for scanned sheets of paper.
apachectl : Apache HTTP server control interface
ncurses5-config : helper script for ncurses libraries
airtun-ng : a virtual tunnel interface creator for aircrack-ng
iptables-apply : a safer way to update iptables remotely
start-stop-daemon : start and stop system daemon programs
crda : send to the kernel a wireless regulatory domain for a given ISO / IEC 3166 alpha2
tgatoppm : convert TrueVision Targa file into a portable pixmap
dconf-editor : Graphical editor for dconf
insmod : Simple program to insert a module into the Linux Kernel
passwd : change user password
xfreerdp : FreeRDP X11 client
airbase-ng : multi-purpose tool aimed at attacking clients as opposed to the Access Point (AP) itself
bluetooth-sendto : GTK application for transferring files over Bluetooth
nm-online : ask NetworkManager whether the network is connected
MAKEDEV : create devices
a2ensite : enable or disable an apache2 site / virtual host
animate : animates an image or image sequence on any X server.