Linux目录权限相关问题
最近老是忘记这个东西,现在总结一下不然下次又忘掉了。
R:就是读权限,用ls命令的的时候必须有这个权限,但是单纯的R权限又没有多大作用,一般是要带X(执行)权限。
W:写权限,比较好理解,删除,修改,创建文件都需要写权限,需要W权限的相关命令是mv,rm等等,但是依旧有一个问题,如果没有X权限还是没多大用处。
X:执行权限,如果在文件上的话比较好理解就是“可执行”的意思,但是用在目录这里则是表示“可以进入”的意思,就是你要进入这个目录时候就要求这个权限,比如cd,ls命令都需要相应目录的X权限。
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