OSes with no CLI and thoughts on the staleness of modern computing

[Nicked from a later comment to the previous one .] Other OSes I've used with no CLI -- Psion EPOC 16 (x86, Series 3); EPOC 32 (Arm, Series 5); Symbian; PalmOS; NewtonOS; and on the desktop, Atari TOS/GEM. PalmOS is not so much from MacOS as indirectly from another Apple product: the Newton, which was architecturally totally different (a native Arm OS with no CLI and no filesystem either). Newton…