I'm configuring GNU/Linux users as users for a vsftpd FTP server and I have the following safety constraints:
- User foo can read and write in his home directory.
- User bar can read and write in his home directory and in foo's.
- User baz can read and write in his and foo's and read in bar's home directory.
- All users must not read any other directory (users are in a chroot jail by the
How would I achieve something like this?