Bash Command (History) Number In PS1

Is there a faster way to remove a line (given a line number) from a file? How to write file into another Apache installation configuration can't find PCRE? ( pcre-config for libpcre not found ) How to use Nautilus as default in XFCE? Tmux not sourcing my .tmux.conf bash shell - ssh remote script capture output and exit code? git pull from remote but no such ref was fetched? Create sub-directories and organize files by date Delete key doesn't work on command line How can I merge pdf files so that each file begins on an odd page number? Backup file with .bak _before_ filename extension Changing root password does not change sudo password