how to remove contents of directory in linux code example

Example 1: how to remove folder and its contents in linux

rm -rf dirname

Example 2: remove a file or dir in linux or mac or ubuntu

note:your_file_name can be a dir or a file 

sudo rm -r your_file_name

Example 3: how to remove directory in cmd

# for removing empty directory
$ rmdir myDirectory

# to remove a directory that contains files and subdirectory
$ rm -r myDirectory
rm -rf /config/filegroups/*/