Lệnh hiển thị giới hạn về độ dài của lệnh trên Linux

xargs --show-limits
Your environment variables take up 2158 bytes
POSIX upper limit on argument length (this system): 2092946
POSIX smallest allowable upper limit on argument length (all systems): 4096
Maximum length of command we could actually use: 2090788
Size of command buffer we are actually using: 131072
Maximum parallelism (--max-procs must be no greater): 2147483647

Execution of xargs will continue now, and it will try to read its input and run commands; if this is not what you wanted to happen, please type the end-of-file keystroke.
Warning: echo will be run at least once.  If you do not want that to happen, then press the interrupt keystroke.

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