environ \- user environment
.B extern char **environ;
An array of strings called the `environment' is
By convention these strings have the form
The following names are used by various commands:
The sequence of directory prefixes that
apply in searching for a file known by an incomplete path name.
The prefixes are separated by `:'.
sets PATH=:/bin:/usr/bin.
A user's login directory, set by
The kind of terminal for which output is to be prepared.
This information is used by commands, such as
which may exploit special terminal capabilities.
for a list of terminal types.
Further names may be placed in the environment by
command and `name=value' arguments in
It is unwise to conflict with
certain Shell variables that are frequently exported by
exec(2), sh(1), term(7), login(1)