Use stat
.
stat testfile
File: ‘testfile’
Size: 0 Blocks: 0 IO Block: 4096 regular empty file
Device: fd03h/64771d Inode: 9770 Links: 1
Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root)
Access: 2017-02-24 18:01:15.491879291 +0100
Modify: 2017-02-24 18:01:15.491879291 +0100
Change: 2017-02-24 18:01:15.491879291 +0100
Birth: -