Linux for Developers Course
Linux for Developers
/
Intermediate

Intermediate Linux Questions

Definition

Questions testing system administration skills, permissions, package management, and basic shell scripting.

Explain Like I'm New

Proving you can securely configure a server and automate simple tasks.

Real World Example

Interview Question: 'Explain the permission 755. Who can do what?'

Common Use Cases

  • •Mid-level Developer interviews
  • •Junior SysAdmin interviews

Interview Questions

basic

  • What is the difference between `chmod` and `chown`?

intermediate

  • How do you redirect the output of a command to a file, completely overwriting the file, versus appending to it?

Flash Cards

Question

chmod vs chown?

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Answer

`chmod` changes what permissions (Read/Write/Execute) are allowed. `chown` changes WHO owns the file.

Question

Overwrite vs Append?

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Answer

`>` overwrites the file (`echo "hi" > file.txt`). `>>` appends to the bottom of the file (`echo "hi" >> file.txt`).