Unix Commands

Archives and Storage compress

used to compress files

tar

"tape archive"; create archives, and read/write from tapes and diskettes

File Management cat

"concatenate"; used to display files, or concatenate files

cd

"change directory"

cp

"copy"; used to copy files and directories

file

used to determine a file's "type"

ls

"list"; list files and directories

mkdir "make directory"; used to create new directories more

control the display of files (one screenful at a time)

mv

"move"; used to move files and directories

pwd

"print working directory"

rm

"remove"; used to remove files and directories

wc

"word count"; used to count characters, words, and lines in text files and/or standard input

Printing cancel

used to cancel print requests

lp

"line printer"; used to submit print jobs

lpstat

"line printer statistics"; used to display information about printer queues

Searching find a powerful command used to find files and directories with a wealth of search criteria grep "general regular expression parser"; would be better named "search" or "textsearch"

System Status df

"disk free"; used to show information about free disk space on filesystems

du

"disk usage"; most often used to determine the size of directories

ps

"process statistics"; used to show the processes currently running on the system

who used to show who is logged in

Text Processing grep "general regular expression parser"; would be better named "search" or "textsearch" sort used to sort information provided on standard input