case "$1" in start) start ;; stop) stop ;; restart) stop; start ;; *) echo $"Usage: $0 {start|stop|restart}" exit 1 esac
case expression in pattern1 ) statements ;; pattern2 ) statements ;; ... esac
case $1 in start) #Start logic ;; stop) # Stop logic ;; *) # Default logic echo $"Usage: $0 {start|stop}" exit 1 ;; esac
bash case notation