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简短介绍 su与su – su 切换到root用户,但是并没有转到root用户家目录下,即没有改变用户的环境。 su - 切换到root用户,并转到root用户的家目录下,即改变到了root用户的环境。 这个涉及到不同用户下的环...
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目录 chmod chown chgrp umask chmod 解释 命令名称:chmod 命令英文原意:change the permissions mode of a file 命令所在路径:/bin/chmod 执行权限:所有用户 ...
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一.查询与自动挂载 查询系统中已经挂载的设备,-l会显示卷标名称 mount [-l] oot@izm5e2q95pbpe1hh0kkwoiz tmp]# mount sysfs on /sys type sysfs (rw...
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