A quick reference to some common or useful terminal commands. (Works with most Linux distributions and MacOS X)

Terminal Quick Reference

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			     Terminal Command Quick Reference
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	    Shortcuts						     Navigation
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ctrl + L	    Clear Terminal			 ls -a       List all files/folders
ctrl + D		    Logout			 ls -l 	     List all (Detail View)
ctrl + A      Cursor to line start			 cd <dir>    	    Change to <dir>
ctrl + E        Cursor to line end			 cd ~/ 	       Go to home directory
shift + PgUp/Dn	    Scroll Up/Down			 cd ..		Go up one directory
tab		     Auto-Complete			 (to go up multiple times, ../../ )
!!	       Repeat Last Command			 pwd	    Print current directory

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        File Manipulation					  Data Manipulation
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cat <file> 	     Show contents			 grep <text> <f>    Search for text
mkdir <dir> 	  Create directory			 sort 		  Sort file content
cp <f1> <f2>		 Copy file 			 wc 			 Word count
cp -R <d1> <d2>     Copy directory			 cut 		   Cut part of file
mv <file> <dest> 	 Move File 			 more info @ man sort
rm <file> 	       Delete file 				     man grep
rm -r <dir> 	  Delete directory				     man cut

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	   System Tools						     Misc. Tools
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date 		    View date&time 			 compress files -			 
<cmd> & 	 Execute cmd in bg 			   tar -zcvf <archive>.tar.gz <dir>
jobs 	       Display bg commands 			 uncompress files - 
fg 	       Move bg proc. to fg			   tar -zcvf <archive>.tar.gz <dir>
w 	     View who is logged in 			 command chaining -
ps -ef 	         See all processes 			 <cmd> | <cmd2> | <cmd3>
top 	      Dynamic process list 				ex: ps -ef | grep 'python'
kill -9 <pid> 	Force kill process 			 sudo <cmd> 	  Run <cmd> as root
sudo halt      Shuts down computer	 		 ssh <user>@<host>  Connect to host