To be fair, it was all new back then and people were playing with ideas, so a 3d file browser seemed like a cool idea. A bit like the metal roller on the Paris Metro ticket machines https://www.youtube.com/watch?app=desktop&v=9SjBfRA3YzA
The discoverability on those things is definitely lacking. I think it took us five or so broken touch-screens before my wife noticed that you could use that to select menu options instead! I guess once you know it's fine though? Feels a bit dated compared to the typical touch & go card payments elsewhere in Europe now though.
I couldn't work it out for a good while, because it's the most unintuitive UI I have found on reasonably recent ticket machines. Once you know how to use it, it's ok.
ProTip: if you travel from London on a train, the buffet sells Paris Metro tickets.
Yes, it was a SGI application. Probably used in the movie Hackers.
There was also a Doom file manager where you'd use BFG to nuke a directory. I only found one for Doom 3 but this also existed with original Doom. Nowadays, BFG is only used to nuke git repos.
Doom process managers where a thing for a while too, 20 years ago. Using the BFG on a crowded room of processes usually resulted in a system crash. Hunting down a stuck program and shooting it in E1M1 was pretty neat though. Your comment reminded me of playing with this in MacOS X a long time ago.
There was a bunch of "demo" applications bundled in Irix, some more some less useful, that were used to showcase the capabilities of the systems. File System Navigator was, afaik, one of them (similarly there was bundled "dogfight", a networked flight simulator game).
