the \fBSHELL\fR environmental variable ends in \*(``csh\*('', the commands
are for \fBcsh\fR, otherwise, they are for \fBsh\fR.
Note, the \fBcsh\fR commands set and unset the shell variable
the \fBSHELL\fR environmental variable ends in \*(``csh\*('', the commands
are for \fBcsh\fR, otherwise, they are for \fBsh\fR.
Note, the \fBcsh\fR commands set and unset the shell variable