Linux File System Navigation 4

Question 1

Which command finds all files named `config.txt` starting from the root directory?

Accepted Answer

find / -name config.txt

Answer

`find / -name config.txt` recursively searches from `/` for files exactly matching that name.

Question 2

What does the `realpath` command return?

Accepted Answer

The resolved absolute path with all symlinks expanded

Answer

`realpath` canonicalizes a path by resolving all symbolic links and `.` / `..` components.

Question 3

Which directory stores temporary files that are cleared on reboot on systemd-based systems?

Accepted Answer

/tmp

Answer

On systemd systems, `/tmp` is typically a tmpfs mount cleared at boot, unlike `/var/tmp` which persists.

Question 4

What output does `ls -la /` show that `ls -l /` does not?

Accepted Answer

Hidden entries like `.` and `..`

Answer

The `-a` flag includes entries starting with `.`, such as the `.` (current) and `..` (parent) directory entries.

Question 5

Which command would you use to navigate directly to `/etc/nginx/conf.d` regardless of where you currently are?

Accepted Answer

cd /etc/nginx/conf.d

Answer

An absolute path starting with `/` navigates directly from root regardless of the current directory.

Linux Practice Test