Paste the following in your shell:
cat << EOF >> ~/.bashrc alias nocom='sed -e "/^\s*#/d" -e "/^\s*$/d"' EOF
This sets up an alias, so that you don’t have to memorize it (which is impossible to begin with).
If you want this to be available for all new users, also add this to the
/etc/skel/.bashrc file (tested on CentOS):
sudo cat > /etc/skel/.bashrc alias nocom='sed -e "/^\s*#/d" -e "/^\s*$/d"' EOF
Open a new session, and you’ll have the new
nocom command. Then you can just