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Chapter 1: Introduction
This is the Title of the Book, eMatter Edition
Copyright © 2006 O’Reilly & Associates, Inc. All rights reserved.
Miscellaneous
emacs Work environment with powerful text-editing capabilities.
ex Line editor underlying vi.
expand Convert tabs to spaces.
fmt Produce roughly uniform line lengths.
fold Break lines.
gawk Process lines or records one by one.
groff Format troff input.
gs Display PostScript or PDF file.
ispell Interactively check spelling.
join Merge different columns into a database.
paste Merge columns or switch order.
rev Print lines in reverse.
sed Noninteractive text editor.
sort Sort or merge files.
tr Translate (redefine) characters.
uniq Find repeated or unique lines in a file.
vi Visual text editor.
vim Enhanced version of vi.
Command Action
banner Make posters from words.
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 Preserve a running job 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