$ cat /proc/mounts
simfs / simfs rw 0 0
proc /proc proc rw,nodiratime 0 0
devpts /dev/pts devpts rw 0 0

$ cat /etc/mtab
simfs / simfs rw 0 0
proc /proc proc rw,nodiratime 0 0
devpts /dev/pts devpts rw 0 0