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  • 命令之 ulimit

    help ulimit

    help ulimit
    ulimit: ulimit [-SHacdefilmnpqrstuvx] [limit]
        Modify shell resource limits.
        
        Provides control over the resources available to the shell and processes
        it creates, on systems that allow such control.
        
        Options:
          -S    use the `soft' resource limit
          -H    use the `hard' resource limit
          -a    all current limits are reported
          -b    the socket buffer size
          -c    the maximum size of core files created
          -d    the maximum size of a process's data segment
          -e    the maximum scheduling priority (`nice')
          -f    the maximum size of files written by the shell and its children
          -i    the maximum number of pending signals
          -l    the maximum size a process may lock into memory
          -m    the maximum resident set size
          -n    the maximum number of open file descriptors
          -p    the pipe buffer size
          -q    the maximum number of bytes in POSIX message queues
          -r    the maximum real-time scheduling priority
          -s    the maximum stack size
          -t    the maximum amount of cpu time in seconds
          -u    the maximum number of user processes
          -v    the size of virtual memory
          -x    the maximum number of file locks
        
        If LIMIT is given, it is the new value of the specified resource; the
        special LIMIT values `soft', `hard', and `unlimited' stand for the
        current soft limit, the current hard limit, and no limit, respectively.
        Otherwise, the current value of the specified resource is printed.  If
        no option is given, then -f is assumed.
        
        Values are in 1024-byte increments, except for -t, which is in seconds,
        -p, which is in increments of 512 bytes, and -u, which is an unscaled
        number of processes.
        
        Exit Status:
        Returns success unless an invalid option is supplied or an error occurs.
    ulimit help
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  • 原文地址:https://www.cnblogs.com/zno2/p/4499947.html
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