Linux Filesystem & File Management Flashcards

Which command displays the disk space usage of files and directories?

Answer: du

The `du` (disk usage) command shows how much disk space files and directories consume.

What does the `df -h` command display?

Answer: Disk free space in human-readable format

`df -h` shows disk free space with sizes in human-readable units like KB, MB, and GB.

Which directory typically contains temporary files that are deleted on reboot?

Answer: /tmp

/tmp is the standard temporary directory whose contents are typically cleared on system reboot.

What is the purpose of the `find` command's `-name` option?

Answer: Search for files by their filename

The `-name` option in `find` searches for files whose names match the given pattern.

Which command would you use to create a symbolic link named `link.txt` pointing to `original.txt`?

Answer: ln -s original.txt link.txt

`ln -s` creates a symbolic (soft) link; without -s it creates a hard link.

What does the `file` command do in Linux?

Answer: Determines the type of a file based on its content

The `file` command examines a file's contents and reports its type (e.g., ASCII text, ELF binary, JPEG image).

Which of the following is the correct path to a user's home directory for a user named 'alice'?

Answer: /home/alice

On Linux, regular user home directories are conventionally located under /home/.