I don't remember any limitation of the windowed CLI on RISC OS, except it was slower if there was a lot of output. The OS generally had very little usage of th

I don't remember any limitation of the windowed CLI on RISC OS, except it was slower if there was a lot of output. The OS generally had very little usage of the CLI though, since the GUI was present in ROM and booted to the desktop in about 3 seconds.