do not delete / or prompt if deleting more than 3 files at a time

alias rm='rm -I --preserve-root'

confirmation

alias mv='mv -i'
alias cp='cp -i'
alias ln='ln -i'

Parenting changing perms on /

alias chown='chown --preserve-root'
alias chmod='chmod --preserve-root'
alias chgrp='chgrp --preserve-root'