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by jankotek 2120 days ago
Hm, decades is not that much, most enterprise code fits into that. But how about 200 years?

It is about people. Documentation, paper trail why some decisions were made, archiving build tools, VMs, dependency source code..

Also C, POSIX and Motif are terrible choice for their fragmentation. Java is very booring, but compiling and debugging 20 years old code is very common.