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Valyrian 2016-10-27 07:24:48 +08:00
echo 不是程序吧,是 shell 的 built in command
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Valyrian 2016-10-27 07:32:22 +08:00 ![]() |
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Valyrian 2016-10-27 07:34:39 +08:00 ![]() alias 也可以:
bash-3.2$ alias echo="builtin echo test" bash-3.2$ echo test |