[zozbot234]

There are some *nix programs with complex TUI's, where a "snappy feel" is sought after (e.g. the `aptitude` TUI for package management in Debian and its derivatives) and they're just as snappy as any old DOS app. The overhead from using a terminal-based API is just too low to matter.

[pavlov]

As it ought to be since the lowliest Raspberry Pi is tens of thousands of times faster than the IBM PC. Filling a screen shouldn’t be an issue regardless of the protocol in the middle.

But design decisions made in the 1980s still linger in a lot of Unix software.