❑ Known meanings of directory permissions.
❍ r : It is possible to list files in the directory(ls).
❍ w : It is possible to create, modify, and delete files in the directory.
❍ x : It is possible to explore the directory(cd).
< Permission test 1 image >
❑ Permission test 1(Directory permission is rw-)
❍ Fail : File openness.
❍ Fail : File modification.
❍ Fail : File removal.
❍ Fail : File creation.
❍ Success : ls
❑ Permission test 2(Directory permission is --x)
❍ Success : File openness.
❍ Success : File modification.
❍ Fail : File removal.
❍ Fail : File creation.
❍ Fail : ls
❑ Actual minimum required permissions for directory.
❍ File openness : --x
❍ File modification : --x
❍ File removal : -wx
❍ File creation : -wx
❍ File execution : --x
❍ ls : r--
❍ cd : --x
❍ File openness : --x
❍ File modification : --x
❍ File removal : -wx
❍ File creation : -wx
❍ File execution : --x
❍ ls : r--
❍ cd : --x
| Check environment | |||
| O S | Ubuntu 15.10 (64bit) | CPU | Intel i7-4710MQ 2.50GHz |
| SHELL | GNU bash (4.3.42) | RAM | 1 GB |