1 2
ln -f /usr/lib/chkpwd/tcb_chkpwd /usr/lib/screen/ ln -f /usr/lib/utempter/utempter /usr/lib/screen/
1
/usr/sbin/groupadd -r -f screen
1 2 3
if [ $1 -eq 0 ]; then rm -f /usr/lib/screen/{tcb_chkpwd,utempter} fi