CosmOS
> echo remembered by the shell
remembered by the shell
> load Edit.sbx
loaded, starting at 5000
> run typed.txt
typed.txt, new file
> a
: alpahalpa alpha
: second
: .
> l
1: alpha
2: second
> w
written, 13 bytes
> q
finished
> run typed.txt
typed.txt, 2 lines
> q
finished
> exit
halted
Execution halted.
[exit 0]