chmod 755用于目录-这是否允许所有人删除文件夹？

Question

“执行”位是否还意味着“删除”权限，或者我是否需要“写入”权限？

Answer 1

To remove a directory, the parent of that directory must be writable by the effective user. The write and execute flags of the directory being removed do not matter.

Additionally, one cannot remove a directory if it is not empty. Often a user will use the rm -r command to remove a non-empty directory tree recursively by first removing all its contents. If the user does not have write permission to the subdirectories, he/she cannot empty their contents first.

Answer 2

No, the 'execute' bit is used by directories to determine whether a 'user' can view the files listed in the directory. In regards to deletion the relevant bit is the 'write' permission bit of the parent directory.