bash vs zsh

Common config for both Bash and zsh

Put all user defined variables in /etc/d3vin_profile

# common vars
FOO=BAR

Then let zsh and bash to source this file

/etc/profile for bash

# Initial config for d3vin
source /etc/d3vin_profile

/etc/zshenc for zsh

# Initial config for d3vin
source /etc/d3vin_profile

Ref: https://unix.stackexchange.com/questions/3428/share-aliases-and-path-setting-between-zsh-and-bash