Return to Answer

1. bash reads from .bash_profile and .bashrc
2. zsh reads from .zprofile and .zshrc
3. ksh reads from .profile and $ENV

test -f ~/.shrc && source ~/.shrc

# Put any zsh-specific interactive settings here, e.g.
HISTFILE=~/.zsh_history
bindkey -e
setopt ignoreeof

source ~/.profile

1. bash reads from .bash_profile or .bashrc
2. zsh reads from .zprofile and .zshrc
3. ksh reads from .profile or $ENV

test -f ~/.shrc && source ~/.shrc

# Put any zsh-specific interactive settings here, e.g.
HISTFILE=~/.zsh_history
setopt ignoreeof

# zsh sources .zshrc automatically, only need to source .profile
source ~/.profile

source ~/.shrc

# Put any bash-specific settings here, e.g.
HISTFILE=~/.bash_history
shopt -s extglob
IGNOREEOF=yes

source ~/.shrc

# Put any zsh-specific interactive settings here, e.g.
HISTFILE=~/.zsh_history
bindkey -e
setopt ignoreeof

# Interactive sub-shells source .env, unless this is bash or zsh,
# because they already sourced .env in .bashrc or .zshrc.
if test -z "$BASH_VERSION" -a -z "$ZSH_VERSION" || test -n "$BASH_VERSION" -a \( "${BASH##*/}" = "sh" \)
then
    if test -f "$HOME"/.env
    then
        . "$HOME"/.env
    fi
fi

# The name is confusing, but $ENV is ksh's config file for interactive sessions,
# so it's equivalent to .bashrc or .zshrc.
# Putting this here makes running an interactive ksh from any login shell work.
if test -f "$HOME"/.shrc
then
    export ENV="$HOME"/.shrc
fi

# Put any login shell specific commands here, e.g.
ssh-add
stty -ixon

source ~/.profile

~/.zprofile

source ~/.profile

test -f ~/.shrc && source ~/.shrc

# Put any bash-specific settings here, e.g.
HISTFILE=~/.bash_history
shopt -s extglob
IGNOREEOF=yes

test -f ~/.shrc && source ~/.shrc

# Put any zsh-specific interactive settings here, e.g.
HISTFILE=~/.zsh_history
bindkey -e
setopt ignoreeof

# Interactive sub-shells source .env, unless this is bash or zsh,
# because they already sourced .env in .bashrc or .zshrc.
if test -z "$BASH_VERSION" -a -z "$ZSH_VERSION" || test -n "$BASH_VERSION" -a \( "${BASH##*/}" = "sh" \)
then
    test -f "$HOME"/.env && . "$HOME"/.env
fi

# The name is confusing, but $ENV is ksh's config file for interactive sessions,
# so it's equivalent to .bashrc or .zshrc.
# Putting this here makes running an interactive ksh from any login shell work.
test -f "$HOME"/.shrc && export ENV="$HOME"/.shrc

# Put any login shell specific commands here, e.g.
ssh-add
stty -ixon

source ~/.bashrc
source ~/.profile

~/.zlogin

source ~/.profile

~/.zprofile

(empty)

~/.shrc

# put all my aliases and environment variables here

source ~/.shrc
# and put any bash-specific settings here

source ~/.shrc
# and put any zsh-specific settings here

ENV=$HOME/.env
. "$ENV"

~/.env

# Put environment variables here, e.g.
PATH=$PATH:$HOME/bin

~/.shrc

test -f "$HOME/.env" && . "$HOME/.env"

# Put interactive shell setup here, e.g.
alias ll='ls -l'
PS1='$PWD$ '
set -o emacs

source ~/.shrc 

# Put any bash-specific settings here, e.g.
HISTFILE=~/.bash_history
shopt -s extglob
IGNOREEOF=yes

~/.zshenv

# Put any zsh-specific settings for non-interactive and interactive sessions, e.g.
setopt braceexpand
setopt promptsubst
setopt shwordsplit

source ~/.shrc 

# Put any zsh-specific interactive settings here, e.g.
HISTFILE=~/.zsh_history
bindkey -e
setopt ignoreeof

# Interactive sub-shells source .env, unless this is bash or zsh,
# because they already sourced .env in .bashrc or .zshrc.
if test -z "$BASH_VERSION" -a -z "$ZSH_VERSION" || test -n "$BASH_VERSION" -a \( "${BASH##*/}" = "sh" \)
then
    if test -f "$HOME"/.env
    then
        . "$HOME"/.env
    fi
fi

# The name is confusing, but $ENV is ksh's config file for interactive sessions,
# so it's equivalent to .bashrc or .zshrc.
# Putting this here makes running an interactive ksh from any login shell work.
if test -f "$HOME"/.shrc
then
    export ENV="$HOME"/.shrc
fi

# Put any login shell specific commands here, e.g.
ssh-add
stty -ixon