how to delete everything from a directory using command line code example

Example 1: remove all files inside directory linux

# remove everything in a directory 
rm /path/to/dir/*
# remove all sub-directories and files
rm -r /path/to/dir/*

Example 2: 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/*/

Example 3: remove full dir

rm -r mydir