"find" command examples
- Find group-writable or other-writable files:
$ find . -type f -perm -022
- Find only group-writable files:
$ find . -type f -perm -020 ! -perm -022
- If the mask is unsigned, an exact match on the permissions is required.
- If the mask is +, at least one of the bits set must match.
- If the mask is -, all of the bits set must match.