In Ubuntu 18.04 Postman is not opening and not showing in terminal
If postman application does not kill by
killall _Postman
or
killall Postman
Then try it by using all lower case letter like the example below:
killall postman
If postman application does not kill by
killall _Postman
or
killall Postman
Then try it by using all lower case letter like the example below:
killall postman