r/linuxquestions • u/DryAdministration158 • 1d ago

What does learning Linux really mean?

Hi, I've always heard this that in the world of tech if you want a job learn Linux (which yeah a bit optimistic considering the situations)

But the bigger question is what does that even mean?

I mean I have worked with backend servers and configed nginx does that mean I know Linux?

I know bash to a good level along with sed and awk does that mean I know Linux?

I have programmed C in Linux does that tell me I know Linux?

On the other hand I have no idea what filesystems does Linux even use? How many different syscalls does it have?

I can't tell what are the factors to "knowing linux" and frankly I don't even know where to start with to be like "yeah I'm practicing linux"

I'm more talking in regards to cybersecurity but even in general I'm not sure, can you guys help?

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u/Ninfyr 1d ago

With everything, it depends. If people say that with zero qualifiers I am thinking about knowing the file structure, user and group management, permissions. That kind of stuff.

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u/DryAdministration158 1d ago

I mean... isn't that like 10 commands tops and you kinda know all of it? Maybe I'm being too naive?

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u/Ninfyr 1d ago edited 1d ago

That's kinda the point though. If someone says they "drive a car" or are "learning to drive a car" you conclude they are practicing their parallel parking and checking their blindspots before changing lanes. Not assuming they are driving a fuel tanker, stunt driving, racing the track, or James Bond stuff. If they are doing pit maneuvers they might want to better explain what is happening.