Answers for "setting up path in zsh"

zsh add to path

# append
path+=('/home/david/pear/bin')
# or prepend
path=('/home/david/pear/bin' $path)

setting up path in zsh

# append
path+=('/home/kevin/pear/bin')
# or prepend
path=('/home/kevin/pear/bin' $path)
# export to sub-processes (make it inherited by child processes)
export PATH