[jjice]

I think both GUI and TUI applications have their place. For developers and people who are comfortable with it, a CLI can be really extensible, allowing for every application to be opened or used instantly from the same location, and you can automate series of processes. GUIs have their place too. Some applications are more ergonomic with a GUI. I think the two of them can live in harmony.

[pjmlp]

Everything a UNIX cli does can be done better in a REPL.

Modern UNIX has the necessary IPC tooling for REPL workflows like on Xerox Workstations REPL, Amiga REXX, Oberon, Powershell/COM/.NET, Inferno, yet the large majority uses it hardly any different from V6.