在 Linux 下,有些配置文件是不允许任何人(包括 root)修改的。为了防止被误删除或修改,可以设定该文件的“不可修改位(immutable)”。命令如下:
# chattr +i /etc/fstab
# chattr -i /etc/fstab

Pls call me CPP.
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