# Collapse OS documentation ## Assembly guide * [Writing the glue code](glue-code.md) * [Running Collapse OS on an emulator](emulate.md) ## User guide * [The shell](shell.md) * [Load code in RAM and run it](load-run-code.md) * [Using block devices](blockdev.md) * [Using the filesystem](fs.md) * [Assembling z80 source from the shell](zasm.md)