Iron Robot <adair326.bbs@ptt.cc> wrote:
> 今天ls我的一個資料夾，發現有一個資料夾使用者群組變成數字。
> 以前也有遇過，想請問這是什麼原因？謝謝各位！
> drwxr-xr-x 14 15277  1196 4096 2007-11-15 23:47 geant4.8.2.p01
>               ^^^^^^^^^^^ 數字？
> drwxr-xr-x 14 adair adair 4096 2008-05-07 16:29 geant4.9.1.p01
> drwxrwsr-x  4 root  staff 4096 2008-05-07 03:03 include
> drwxrwsr-x  7 root  staff 4096 2008-05-07 03:03 lib

tar will restore the uid if you use root to untar the tar file. 

If the uid is not in the /etc/passwd, it will cause the condition above.

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