How to empty directory Ubuntu Linux

Here is the command to empty a directory / remove all files from a directory in Ubuntu Linux:

rm -r /your-directory/

If your directory is in a nested path you can remove it like this:

rm -r /yourpath/yoursubpath/your-directory/

If the command is giving permission error for some write protected files, you can run this:

sudo rm -r /yourpath/yoursubpath/your-directory/