ssu mount /dev/nvme0n1p4 /mnt/cos
ssu mount /dev/nvme0n1p5 /mnt/cos/home
ssu mount -v --bind /dev $COS/dev
ssu mount -vt devpts devpts -o gid=5,mode=0620 $COS/dev/pts
ssu mount -vt proc proc $COS/proc
ssu mount -vt sysfs sysfs $COS/sys
ssu mount -vt tmpfs tmpfs $COS/run
ssu mount -vt tmpfs -o nosuid,nodev tmpfs $COS/dev/shm