# Check if zsh is installed
if command -v zsh > /dev/null 2>&1; then
    # If zsh exists, replace the current bash shell with zsh
    # The '-l' flag ensures zsh runs as a login shell
    exec zsh -l
else
    # If zsh is NOT found, load the standard bashrc configuration
    if [ -f ~/.bashrc ]; then
        source ~/.bashrc
    fi
fi