search for strings in a folder
grep -r 'pattern_to_match' directory_to_search
to unlock locked folders
sudo chown -R $USER: $HOME
SSH Key Generation
ssh-keygen -t rsa -b 4096 -C "neodigital claim SFPT" -f ./rsa-key
copy all files from one dir to another
cp -a from/. to/
remove a dir completely
rm -rf to