administrator@backup:/var/ftp$ sudo adduser administrator ftp
[sudo] password for administrator:
Adding user `administrator' to group `ftp' ...
Adding user administrator to group ftp
Done.
administrator@backup:/var/ftp$ ls -l
total 16
drwxrwx--x 4 onec ftp 4096 Dec 23 11:36 1c
drwxrwx--x 3 medoc ftp 4096 Dec 25 16:32 acronis
drwxrwx--x 2 kerio ftp 4096 Dec 29 05:02 kerio
drwxrwx--x 3 medoc ftp 4096 Dec 23 10:11 medoc
administrator@backup:/var/ftp$ id -nG
administrator adm cdrom sudo dip plugdev sambashare lpadmin
administrator@backup:/var/ftp$ cd 1c
administrator@backup:/var/ftp/1c$ ls -l
ls: cannot open directory .: Permission denied
что опять ?