Example Commands for Ubuntu/Linux
Step by Step Instructions
ipcmk
ipcmk allows you to create shared memory segments, mess...
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ipcrm
ipcrm removes System V inter-process communication (IPC...
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lastb
last searches back through the /var/log/wtmp file (or t...
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ld.so
The programs ld.so and ld-linux.so* find and load the s...
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login
The login program is used to establish a new session wi...
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lsblk
lsblk lists information about all available or the spec...
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lscpu
lscpu gathers CPU architecture information from sysfs, ...
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lsipc
lsipc shows information on the inter-process communicat...
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lsmem
The lsmem command lists the ranges of available memory ...
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lspci
lspci is a utility for displaying information about PCI...
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lsusb
lsusb is a utility for displaying information about USB...
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lzcat
xz is a general-purpose data compression tool with comm...
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mandb
mandb is used to initialise or manually update index da...
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mdadm
RAID devices are virtual devices created from two or mo...
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mdmon
Metadata updates: To service metadata update requests a...
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mkdir
Create the DIRECTORY(ies), if they do not already exist...
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mknod
Create the special file NAME of the given TYPE. Mandato...
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mount
All files accessible in a Unix system are arranged in o...
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mysql
mysql is a simple SQL shell with input line editing cap...
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namei
namei interprets its arguments as pathnames to any type...
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nginx
nginx (pronounced “engine x”) is an HTTP and reverse pr...
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nohup
Run COMMAND, ignoring hangup signals. --help display th...
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nproc
Print the number of processing units available to the c...
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nstat
nstat and rtacct are simple tools to monitor kernel snm...
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pager
Less is a program similar to more (1), but it has many ...
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partx
Given a device or disk-image, partx tries to parse the ...
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paste
Write lines consisting of the sequentially correspondin...
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patch
patch takes a patch file patchfile containing a differe...
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pgrep
pgrep looks through the currently running processes and...
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pidof
Pidof finds the process id's (pids) of the named progra...
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ping4
ping uses the ICMP protocol's mandatory ECHO_REQUEST da...
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ping6
ping uses the ICMP protocol's mandatory ECHO_REQUEST da...
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pinky
-l produce long format output for the specified USERs -...
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pkcs7
The pkcs7 command processes PKCS#7 files in DER or PEM ...
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pkcs8
The pkcs8 command processes private keys in PKCS#8 form...
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pkill
pgrep looks through the currently running processes and...
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print
run-mailcap (or any of its aliases) will use the given ...
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reset
tset - initialization This program initializes terminal...
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rgrep
grep searches for PATTERN in each FILE. A FILE of “-” s...
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ri2.5
ri is a command-line front end for the Ruby API referen...
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rmdir
Remove the DIRECTORY(ies), if they are empty. --ignore-...
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rmmod
rmmod is a trivial program to remove a module (when mod...
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route
Route manipulates the kernel's IP routing tables. Its p...
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rsync
Rsync is a fast and extraordinarily versatile file copy...
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rtmon
This manual page documents briefly the rtmon command. r...
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rview
Vim is a text editor that is upwards compatible to Vi. ...
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sdiff
Side-by-side merge of differences between FILE1 and FIL...
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shred
Overwrite the specified FILE(s) repeatedly, in order to...
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skill
These tools are obsolete and unportable. The command sy...
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sleep
Pause for NUMBER seconds. SUFFIX may be 's' for seconds...
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