/lib/init/fstab is in mountall 2.54ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | # /lib/init/fstab: static file system information.
#
# These are the filesystems that are always mounted on boot, you can
# override any of these by copying the appropriate line from this file into
# /etc/fstab and tweaking it as you see fit. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
/dev/root / rootfs defaults 0 1
none /proc proc nodev,noexec,nosuid 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc nodev,noexec,nosuid,optional 0 0
none /sys sysfs nodev,noexec,nosuid 0 0
none /sys/fs/cgroup tmpfs optional,uid=0,gid=0,mode=0755,size=1024 0 0
none /sys/fs/fuse/connections fusectl optional 0 0
none /sys/kernel/debug debugfs optional 0 0
none /sys/kernel/security securityfs optional 0 0
none /sys/firmware/efi/efivars efivarfs optional 0 0
none /spu spufs gid=spu,optional 0 0
none /dev devtmpfs,tmpfs mode=0755 0 0
none /dev/pts devpts noexec,nosuid,gid=tty,mode=0620 0 0
none /tmp none defaults 0 0
none /run tmpfs noexec,nosuid,size=10%,mode=0755 0 0
none /run/lock tmpfs nodev,noexec,nosuid,size=5242880 0 0
none /run/shm tmpfs nosuid,nodev 0 0
none /run/user tmpfs nodev,noexec,nosuid,size=104857600,mode=0755 0 0
none /sys/fs/pstore pstore optional 0 0
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