CosmOS
> cd 1:/notes
/notes> drive
1
/notes> cd 0:/
> drive
0
> cd 1:/2things
/2things> drive
1
/2things> cd /
> cd 2things
/2things> drive
1
/2things> cd 9:/
no such file
/2things> exit
halted
Execution halted.
[exit 0]