Linux File System Navigation 3

Question 1

What does the `..` path component represent in Linux?

Accepted Answer

The parent directory

Answer

`..` is a special directory entry that always refers to the parent of the current directory.

Question 2

Which command shows a tree-like view of a directory structure?

Accepted Answer

tree

Answer

The `tree` command recursively lists directories in a branching visual tree format.

Question 3

What is the result of running `cd ~username` in bash?

Accepted Answer

Changes to the home directory of the specified user

Answer

`cd ~username` expands to the home directory of the named user and navigates there.

Question 4

Which directory typically contains user-installed binary executables on a Linux system?

Accepted Answer

/usr/local/bin

Answer

`/usr/local/bin` is the conventional location for locally compiled or manually installed binaries.

Question 5

What flag makes `ls` display file sizes in human-readable format (e.g., KB, MB)?

Accepted Answer

-h

Answer

The `-h` (human-readable) flag causes `ls -lh` to display sizes in K, M, G units instead of raw bytes.

Linux Practice Test