发布时间:2013-05-14 16:33:21
which:查找可执行文件(命令)并显示所在的位置 ----搜索范围由PATH环境变量指定例如:[root@teacher lianxi]# which mkdir/bin/mkdir[root@teacher lianxi]# which tree /usr/bin/tree[root@teacher lianxi]# mv /usr/bin/tree / 将tree命令移走[root@teacher lianxi]# whic.........【阅读全文】
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