annexx@fagbox [~]$ mkdir .znc
mkdir: cannot create directory `.znc': No space left on device
annexx@fagbox [~]$ df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/simfs             30G  1.6G     0 100% /
tmpfs                 192M     0  192M   0% /lib/init/rw
tmpfs                 192M     0  192M   0% /dev/shm
overflow              1.0M     0  1.0M   0% /tmp
annexx@fagbox [~]$ mount
/dev/simfs on / type simfs (rw,relatime,usrquota,grpquota)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
tmpfs on /lib/init/rw type tmpfs (rw,nosuid,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev,relatime)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime)
overflow on /tmp type tmpfs (rw,relatime)