Source : https://www.baeldung.com/linux/stale-file-handles
$ stat filename File: filename Size: 583 Blocks: 8 IO Block: 4096 regular file Device: 810h/2064d Inode: 666 Links: 1 [...] $ ls -l /proc/1296/fd total 0 lrwx------ 1 user user 64 Jul 1 10:49 0 -> /dev/pts/1 lrwx------ 1 user user 64 Jul 1 10:49 1 -> /dev/pts/1 lrwx------ 1 user user 64 Jul 1 10:49 2 -> /dev/pts/1 lrwx------ 1 user user 64 Jul 1 10:50 3 -> /home/user/filename $ stat -L /proc/1296/fd/3 File: /proc/1296/fd/3 Size: 583 Blocks: 8 IO Block: 4096 regular file Device: 810h/2064d Inode: 666 Links: 1