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I have the following line in my /etc/fstab on three of my slackware servers:
tmpfs /dev/shm tmpfs rw,nodev,nosuid,noexec 0 0
All three show the mount options correctly in /proc/mounts:
tmpfs /dev/shm tmpfs rw,nosuid,nodev,noexec,relatime 0 0
Two of them show the correct options with the mount command:
tmpfs on /dev/shm type tmpfs (rw,nodev,nosuid,noexec)
The third one shows different options with the mount command:
tmpfs on /dev/shm type tmpfs (rw)
The only difference is the third one is at runlevel 4 while the other two are at runlevel 3. Any ideas on why the third one is showing two different mount options and which one is the correct one?