Answers for "how to remove all the deleted files in terminal"

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/*

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

delete all files with specific name ubuntu

find -type f -name '*text*' -delete