To add new shortcut command in linux follow the bellow steps.
step 1. run the command in terminal
$ vim .bashrc
Insert the bellow command as alias under “# User specific aliases and functions”. as example
alias statushttpd = ‘sudo systemctl status httpd’
Save the file and type the following command in terminal
$ bash ~/.bashrc
In terminal type the alias statushttpd. the command will be executed.