allows to quickly go up in the hierarchy, instead of doing ../../..
do up 3
allows to bookmark directories to then quickly access them
A cd
with the completion giving the full path to the current directory instead of just .
# Bash completion
autoload bashcompinit
bashcompinit
# Scripts
source /home/damianyang/Script/go.sh
source /home/damianyang/Script/up.sh
source /home/damianyang/Script/fcd.sh