# mount -l
/dev/sda1 on / type ext4 (rw,relatime,data=ordered)
udev on /dev type devtmpfs (rw,nosuid,relatime,size=4026752k,nr_inodes=1006688,mode=755)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
/proc/ on /proc type proc (rw,relatime)