setenv
[
name
[
value
]]
Assign a
value
to an environment variable
name
.
By convention,
name
must be uppercase.
value
can be a single word or a quoted string.
If no
value
is given, the null value is assigned.
With no arguments, display the names and values of all
environment variables.
setenv
is not necessary for the
USER, TERM, and PATH variables because they are automatically exported
from
user
,
term
, and
path
.
See also "Environment Variables" earlier in this section.