Enviroment Variables

Enviroment variables are used to provide information to the programs that you use. New shells inherit the enviroment of their parent shell. You can list your current enviroment with the env command. Following are some of the common enviroment variables.


Enviroment Variable                   Meaning

	DISPLAY				The machine where programs
					 you run will be displayed
	EDITOR				Your default editor
	HOME				Your home directory
	HOSTNAME			The hostname of your system
	HZ				The number of commands history
					 will "remember"
	LOGNAME				The user name you are using
	MAIL				Where your mail spool is located
	MANPATH				The path the system searches 
					 for man pages
	NNTPSERVER			The newsserver you are using
	PATH				The path the system will search
					 for commands
	PRINTER				Your default printer
	SHELL				The shell you are using
	USER				The user name you are using