chattr用法，chattr

chattr用法，chattr

[root@localhost tmp]# umask
0022

一、chattr用法

1、創建空文件attrtest，然後刪除，提示無法刪除，因為有隱藏文件

[root@localhost tmp]# cd /tmp

[root@localhost tmp]# touch attrtest
[root@localhost tmp]# chattr +i attrtest
[root@localhost tmp]# rm attrtest
rm: remove regular empty file ‘attrtest’? y
rm: cannot remove ‘attrtest’: Operation not permitted

2、將文件attrtest的隱藏屬性取消

[root@localhost tmp]# chattr -i attrtest
[root@localhost tmp]# ls
attrtest hsperfdata_root install ks-script-3CWMoc systemd-private-810f661cb5d247129113c096f86d7db2-cups.service-fEKfSx test2 testtouch vitest yum.log

3、刪除attrtest文件，發現可以刪除

[root@localhost tmp]# rm attrtest
rm: remove regular empty file ‘attrtest’? y
[root@localhost tmp]# ls
hsperfdata_root install ks-script-3CWMoc systemd-private-810f661cb5d247129113c096f86d7db2-cups.service-fEKfSx test2 testtouch vitest yum.log

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