The rm and rmdir commands delete files and directories on Linux, macOS, and other Unix-like operating systems. They’re similar to the del and deltree commands in Windows and DOS. These commands are very powerful and have quite a few options.
It is important to note that files and directories deleted using rm and rmdir do not get moved to the Trash. They are immediately removed from your computer. If you accidentally delete files using these commands, the only way you’ll be able to restore them is from a backup.
How to Remove Files with rm
The simplest case is deleting a single file in the current directory. Type the rm command, a space, and then the name of the file you want to delete.
rm file_1.txt
If the file is not in the current working directory, provide a path to the file’s location.
rm ./path/to/the/file/file_1.txt
You can pass more than one filename to rm. Doing so deletes all of the specified files.
rm file_2.txt file_3.txt
Wildcards can be used to select groups of files to be deleted. The * represents multiple characters and the ? represents a single character. This command would delete all of the png image files in the current working directory.
rm *.png
This command would delete all files that have a single character extension. For example, this would delete File.1 and File.2, but not File.12.
rm *.?
If a file is write-protected you will be prompted before the file is deleted. You must respond with y or n and press “Enter.”
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Source : How to Delete Files and Directories in the Linux Terminal
