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Linux in a Nutshell, 6th Edition by Robert Love, Stephen Figgins, Ellen Siever, Arnold Robbins

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Miscellaneous

Command

Action

bc

Arbitrary precision calculator.

cal

Display calendar.

clear

Clear the screen.

info

Get command information from the GNU hypertext reader.

man

Get information on a command.

nice

Reduce a job’s priority.

nohup

Launch a command that will continue to run after logging out.

openvt

Run a program on the next available virtual terminal.

passwd

Set your login password.

script

Produce a transcript of your login session.

su

Become a different user, often the superuser.

sudo

Execute an authorized command as root or another user.

tee

Simultaneously store output in file and send to screen.

time

Time the execution of a command.

wall

Send a message to all terminals.

whoami

Print the current user id.

xargs

Process many arguments in manageable portions.

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