Frequently used Environment Variables

Name          Description


EDITOR        Sets the editor that will be used by other programs
              such as the mail program.

PAGER         Sets the pager that will be used by programs such as
              man to display man pages.

PATH          Specifies the directories that the shell is to look
              through to find a command. These directories are 
              searched in the order in which they appear.

PRINTER       Sets the printer to which all output is sent by the lpr
              command

SHELL         Sets your default shell.

TERM          Sets your terminal type for programs such as the
              editor and pager.

TZ            Sets the time zone you are in.

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