rm

Definition

Remove. The command used to permanently delete files or directories.

Explain Like I'm New

The delete button, but with no recycle bin. Once a file is gone, it is gone forever.

Real World Example

You want to delete an old log file. You type `rm old.log`. The file is permanently destroyed.

Common Use Cases

•Cleaning up disk space
•Deleting unwanted code

Crucial Command Flags

Flag / Option	Description
-r / -R	Recursive. Remove directories and their contents.
-f	Force. Ignore nonexistent files, never prompt.
-i	Interactive. Prompt before every removal.

Interview Questions

basic

If you `rm` a file, can you easily recover it from the Trash/Recycle Bin?

intermediate

What does the infamous command `rm -rf /` do?

Flash Cards

Question

Recover from trash?

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Answer

No. The `rm` command bypasses the trash entirely and permanently unlinks the file from the disk.

Question

What does rm -rf / do?

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Answer

It is the self-destruct sequence. `-r` means recursively delete all folders. `-f` means force (don't ask for confirmation). `/` is the root of the computer. It literally deletes the entire operating system and all your data.