/etc/hostname. It is not always in sync with the current hostname as returned ... hostname and the static hostname stay in sync. E.g. when the former is "Lennartconsole logins to all but the shutdown, sync and all other accounts, which ... wheel group. -:ALL EXCEPT (wheel) shutdown sync:LOCAL All other users should be deniedfreeable, the user should run sync (1) first. /proc/sys/vm/sysctl_hugetlb_shm_group (since Linux 2.6.7) This writable fileenabling/disabling swap devices ( swapon (2), swapoff (2)) @sync Synchronizing files and memory to disk ( fsyncdebugging dumps of processes etc. 16 Enable sync command 32 Enable remount read-only