LIB=/n/coma/usr/ucds/lib MAN=/n/coma/usr/ucds/lib BIN=/n/coma/usr/ucds/bin DPD= SPOOL=/n/coma/usr/spool/dpd PATH=/n/coma/usr/ucds/bin:$PATH PS1=ucds${PS1:-" "} export LIB MAN BIN SPOOL PATH PS1 PS2 case $# in 0) ;; *) "$@";; esac