Где подвох?
# 11.04
user@user-desktop:~$ id
uid=1000(user) gid=1000(user) группы=1000(user),4(adm),20(dialout),21(fax),24(cdrom),25(floppy),26(tape),30(dip),44(video),46(plugdev),104(fuse)
user@user-desktop:~$ ls -l data.kdb*
-rw-r--r-- 1 root root 27468 2011-07-12 00:23 data.kdb
user@user-desktop:~$ mv data.kdb data.kdb.1
user@user-desktop:~$ ls -l data.kdb*
-rw-r--r-- 1 root root 27468 2011-07-12 00:23
data.kdb.1user@user-desktop:~$ ls -l `which mv`
-rwxr-xr-x 1 root root 92000 2011-02-23 19:22 /bin/mv