environ(7)						 Miscellaneous Information Manual						environ(7)

Name
       environ - user environment

Syntax
       extern char **environ;

Description
       An  array  of  strings,	called	the  environment,  is made available by when a process begins.	By convention, these strings have the form
       ``name=value''.	The following names are used by various commands:

       PATH    The sequence of directory prefixes that and apply in searching for a file known by an incomplete path name.  The prefixes are sepa-
	       rated by a colon (:).  The command sets

       HOME    A user's login directory, set by from the password file

       TERM    The  kind  of terminal for which output is to be prepared.  This information is used by commands, such as or which may exploit spe-
	       cial terminal capabilities.  See in for a list of terminal types.

       SHELL   The file name of the user's login shell.

       TERMCAP The string describing the terminal in TERM or the name of the termcap file.  For further information, see and

       EXINIT  A startup list of commands read by and

       USER    The login name of the user.

       PRINTER The name of the default printer to be used by and

       Further names may be placed in the environment by the command and ``name=value'' arguments in or by the command if you  use  Arguments  can
       also be placed in the environment at the point of an It is unwise to conflict with certain variables that are frequently exported by files:
       and

See Also
       csh(1), ex(1), login(1), sh(1), execve(2), system(3), termcap(3x), passwd(5), termcap(5)

																	environ(7)