what do moshiur@pc:~$ means ?
- moshiur: The username of the current user
- pc: The hostname of the server
- ~: The current directory. In bash, which is the default shell, the ~, or tilde, is a special character that expands to the path of the current user’s home directory; in this case, it represents /home/sammy
- $: The prompt symbol. This denotes the end of the command prompt, after which the user’s keyboard input will appear
root@webapp:/var/www# Logged in as a root in var/www directory