Linux下强制杀死进程的方法详解

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smx 1827 1 4 11:38 "-9" 即发送的信号是9，pkill与kill在这点的差别是：pkill无须 “ｓ”，终止信号等级直接跟在 “-“ 后面。之前我一直以为是 "-s 9"，结果每次运行都无法终止进程。

改进10——killall：
killall和pkill是相似的,不过如果给出的进程名不完整，killall会报错。pkill或者pgrep只要给出进程名的一部分就可以终止进程。
$killall -9 firefox
附录：各种信号及其用途


  
    
      Signal
      Description
      Signal number on Linux x86[1]
    
    
      SIGABRT
      Process aborted
      6
    
    
      SIGALRM
      Signal raised by alarm
      14
    
    
      SIGBUS
      Bus error: "access to undefined portion of memory object"
      7
    
    
      SIGCHLD
      Child process terminated, stopped (or continued*)
      17
    
    
      SIGCONT
      Continue if stopped
      18
    
    
      SIGFPE
      Floating point exception: "erroneous arithmetic operation"
      8
    
    
      SIGHUP
      Hangup
      1
    
    
      SIGILL
      Illegal instruction
      4
    
    
      SIGINT
      Interrupt
      2
    
    
      SIGKILL
      Kill (terminate immediately)
      9
    
    
      SIGPIPE
      Write to pipe with no one reading
      13
    
    
      SIGQUIT
      Quit and dump core
      3
    
    
      SIGSEGV
      Segmentation violation
      11
    
    
      SIGSTOP
      Stop executing temporarily
      19
    
    
      SIGTERM
      Termination (request to terminate)
      15
    
    
      SIGTSTP
      Terminal stop signal
      20
    
    
      SIGTTIN
      Background process attempting to read from tty ("in")
      21
    
    
      SIGTTOU
      Background process attempting to write to tty ("out")
      22
    
    
      SIGUSR1
      User-defined 1
      10
    
    
      SIGUSR2
      User-defined 2
      12
    
    
      SIGPOLL
      Pollable event
      29
    
    
      SIGPROF
      Profiling timer expired
      27
    
    
      SIGSYS
      Bad syscall
      31
    
    
      SIGTRAP
      Trace/breakpoint trap
      5
    
    
      SIGURG
      Urgent data available on socket
      23
    
    
      SIGVTALRM
      Signal raised by timer counting virtual time: "virtual timer expired"
      26
    
    
      SIGXCPU
      CPU time limit exceeded
      24
    
    
      SIGXFSZ
      File size limit exceeded
      25
    
  



                                
                                

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