I've found reduced keystrokes for common operations. I use "sudo -i" instead of "sudo su -" in vi, I use "ZZ" instead of ":wq!" to save and exit. bonus: I sa

I've found reduced keystrokes for common operations. I use "sudo -i" instead of "sudo su -" in vi, I use "ZZ" instead of ":wq!" to save and exit. bonus: I save time typing repetitive things into the shell by making cut and paste capable stanzas in documentation like this: cat << EOF > newfilename ... EOF