Operating Systems quiz

More questions about Operating Systems

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

1. 1 Easy

   What part of an OS keeps track of where files are stored?

   Answer: File system

   Why: Formatting a drive is what writes a fresh, empty file system onto it, ready to start keeping track of files.

2. 2 Medium

   What character at the start of a name hides a Linux file?

   Answer: A dot

   Why: Every folder also lists two dot entries: one dot for the folder itself and two dots for the folder above it.

3. 3 Hard

   Which core part of macOS does Apple release as open source?

   Answer: Darwin

   Why: Its kernel, XNU, is a hybrid that joins a modified Mach kernel with parts taken from BSD Unix.

4. 4 Easy

   On which OS is Android built?

   Answer: Linux

   Why: Linux only behaves like Unix: begun in 1991, it shares no code with the original AT&T Unix, so Android counts as Unix-like.

5. 5 Medium

   On which older Windows is Windows 11 built?

   Answer: Windows NT

   Why: Inside, Windows 11 still gives its NT version as 10.0, like Windows 10, and is told apart by build numbers from 22000 up.

6. 6 Hard

   Where does 64-bit Windows keep its 32-bit system files?

   Answer: SysWOW64

   Why: WOW64 means Windows 32-bit on Windows 64-bit, the layer that runs 32-bit apps, while System32, despite its name, holds the 64-bit files.