In your particular case it would be: tmpfs /tmp tmpfs rw,nosuid,nodev,noatime The first value is a name since we aren't mounting a device, the source is implie

In your particular case it would be: tmpfs /tmp tmpfs rw,nosuid,nodev,noatime The first value is a name since we aren't mounting a device, the source is implied to be ram because of the tmpfs filesystem.