unix commands

cat filename Dump a file to the screen in ascii. more filename Progressively dump a file to the screen: ENTER = one line down SPACEBAR = page down q=quit less filename Like more, but you can use Page-Up too. Not on all systems. vi filename Edit a file using the vi editor. All UNIX systems will have vi in some form. emacs filename Edit a file using the emacs editor. Not all systems will have emacs. head filename Show the first few lines of a file. head -n filename Show the first n lines of a file. tail filename Show the last few lines of a file. tail -n filename Show the last n lines of a file.