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command

调用并执行指定的命令

补充说明

command命令 调用指定的指令并执行，命令执行时不查询shell函数。command命令只能够执行shell内部的命令。

语法

command(参数)

参数

指令：需要调用的指令及参数。

实例

使用command命令调用执行echo Linux，输入如下命令：

command echo Linux            #调用执行shell内部指令

上面的命令执行后，将调用执行命令echo Linux，其执行结果如下：

Linux

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