Unix Cheat Sheet
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This document provides a summary of common Unix, Linux, and Mac OS X commands organized into categories including filesystem commands, search commands, configuration files, less common commands, network commands, and examples of command mashups. Some key commands summarized are cd for changing directories, ls for listing files, cp for copying, mv for moving, rm for removing, and find, grep, locate, and mdfind for searching files and text. Configuration files mentioned include ~/.bashrc, ~/.bash_profile, and ~/.vimrc. Network commands included are ftp, ping, scp, and ssh. The document also provides examples of combining multiple commands through pipes and output redirection.
Unix Cheat Sheet
- 1. Unix, Linux, and Max OS X Commands Common Filesystem Commands Search Commands Configuration Files cd change directory find find files and directories ~/.bashrc bash run commands cd foo find . ~/.bash_profile bash config file (linux) cd ../.. find . –type f –name “*.java” ~/.profile bash config file (mac) cp copy files and directories grep search for text in files ~/.vimrc vi/vim config file cp /tmp/foo.txt . grep ‘foo’ * cp f1 f2 f3 dir1 locate find files on the entire system Sample Aliases gzip compress a file locate java alias l=“ls –alF” gzip bigfile.tar mdfind (like locate; mac os x only) alias h=history ls list files and directories alias cd..=“cd ..” ls –alF Less-Common Commands alias html=“cd /usr/local/html” ls -aCF cat concatenate files mkdir make a directory chgrp change group owner Common Network Commands mkdir dir1 dir2 dir3 chmod change file mode ftp file transfer protocol mkdir –p a/b/c/d chown change file owner ping ping a remote system more scroll through a file df show free disk space scp secure copy more bigfile.txt diff differences between files ssh secure shell ps show running processes du directory usage (du –s *) ps auxwww head display the beginning of a file Command Mashups mv move files and directories history show history of commands grep foo *txt | wc -l mv f1 f2 f3 dir1 last show last user login times history | grep ssh rm remove a file or directory ln link files and directories ls –al | more rm oldfile lsof list of open files ls –al | grep Jul | grep –v 2006 rm –r olddir man man pages (help) ls –al | grep ’^d’ tar archive command sed streamline editor ps auxwww | grep –i java tar czvf all.tgz * sort sort input ps aux | wc –l tar xzvf all.tgz strings search for text in binary files who | wc -l wc word count tail display the end of a file wc –l file1 file2 who who is on the system devdaily.com/unix