Here is the output of the command 'mount':
root@pve:~# mount
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,relatime)
udev on /dev type devtmpfs (rw,nosuid,relatime,size=16242256k,nr_inodes=4060564,mode=755)
devpts on /dev/pts type devpts...