Open your terminal and run the following command
.bash_profile is and essential of customizing and configuration your bash command line enviroment on Unix and Linux systems
cd && vim .bash_profile
it will open the vim code editor in the .bash_profile file, here we can add a custom command in my case it will be dev using the Unix alias instruction to direct me to my development folder where I save projects and it will show them
close and open the terminal
run dev and it will take us to our development folder (the path must be absolute and personal).