Um administrador de sistema UNIX precisa determinar o mai...

A GROUPID=”grep ^proj01: /etc/group | cut -d: -f3”; if [ -n “$GROUPID” ]; then USERID=”grep :$GROUPID: /etc/passwd | cut -d: -f3 | sort -n -r | head -1”; echo UID=$USERID; fi B GROUPID=`grep ^proj01: /etc/group | cut -d: -f3`; if [ -n “$GROUPID” ]; then USERID=`grep :$GROUPID: /etc/passwd | cut -d: -f3 | sort -n -r | head -1`; echo UID=$USERID; fi C GROUPID=”grep ^proj01: /etc/group | cut -d: -f3”; if [ -n “$GROUPID” ]; then USERID=”grep :$GROUPID: /etc/passwd | cut -d: -f4 | sort -n -r | tail -1”; echo UID=$USERID; fi D GROUPID=`grep ^proj01: /etc/group | cut -d: -f4`; if [ -n “$GROUPID” ]; then USERID=`grep :$GROUPID: /etc/passwd | cut -d: -f4 | sort -n -r | head -1`; echo UID=$USERID; fi E GROUPID=`grep ^proj01: /etc/group | cut -d: -f3`; if [ -n “$GROUPID” ]; then USERID=`grep :$GROUPID: /etc/passwd | cut -d: -f4 | sort -n -r | tail -1`; echo UID=$USERID; fi