Bash -

Basic .bashrc for Mac

# Non-login shell
# ~/.bashrc

function flushdns() {
    dscacheutil -flushcache
}

function showfiles() {
    echo "Showing hidden files in Finder..."
    defaults write com.apple.finder AppleShowAllFiles YES \
        && killall Finder
}

function hidefiles() {
    echo "Hiding hidden files in Finder..."
    defaults write com.apple.finder AppleShowAllFiles NO \
        && killall Finder
}

echo .bashrc loaded

# Login shell
# ~/.bash_profile

# Execute non-login shell commands.
source ./.bashrc

echo .bash_profile loaded