改变群组 chgrp
改变拥有者 chown
改变权限 chmod
r:4
w:2
x:1
owner = rwx = 4+2+1 = 7
group = rwx = 4+2+1 = 7
others= --- = 0+0+0 = 0
chmod 777 .bashrc
linux修改权限
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转载自oca.iteye.com/blog/1895839
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