linux cmd

Linux_cmd

#process status
//ps: show process
//-A: show all
//-e: function same as -A
//-f: show info.(UID,PPIP,C,STIME)
//    UID: UID group id
//    PID: process ID
//    PPID: father process ID
//    C: CPU usage
//    STIME: system start time
//    TTY: user terminal location
//    TIME: CPU use time
//grep: search
//" | ": pipeline cmd, execute ps and grep at the same time (e.g. ps -ef | grep)
$ ps-ef