Here are some Linux / Unix questions you might encounter during a technical interview.
Describe Unix run levels. What does run-level 3 mean?
A program is running slow. What do you do?
You want to schedule a process to run every Tuesday at 1:00 am. What do you do?
What do these shell variables mean?
- $$ - Process ID of self
- $! - Process ID of last background process
- $_ - Last argument
When I define an environment variable, what does EXPORT mean?
What is a journaling file system and why would I want to use one?
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