BASENAME=/bin/basename
CAT=/bin/cat
ECHO=/bin/echo
FILE=/bin/file
RM=/bin/rm
RSH=/usr/ucb/rsh
SED=/bin/sed
SU=/bin/su
TEST=/bin/test
TFTP=/usr/ucb/tftp
WHOAMI=/usr/ucb/whoami
GREP=/bin/grep
REX=bin/rex
RCMD=bin/rcmd
