The need to do it plus the realization that you can script anything based on it.
Drivers. Using recovery mode. Administration. Wanting to describe what to do rather then manually do it. Wild cards are really powerful and so is find and xargs. The text processing commands are useful too.
The other thing is having started computing in the 1970s. Everything was command line back then. GUI systems only become universal in about 1995.
The need to do it plus the realization that you can script anything based on it.
Drivers. Using recovery mode. Administration. Wanting to describe what to do rather then manually do it. Wild cards are really powerful and so is find and xargs. The text processing commands are useful too.
The other thing is having started computing in the 1970s. Everything was command line back then. GUI systems only become universal in about 1995.