Contents
What is an interactive shell session?
An interactive shell reads commands from user input on a tty. Among other things, such a shell reads startup files on activation, displays a prompt, and enables job control by default. The user can interact with the shell. A shell running a script is always a non-interactive shell.
What is non-interactive session?
During Non-interactive authentication, the user does not input log on data, instead, previously established credentials are used. An interactive user session means that the user manually logged in using the sign-in screen.
What is difference between interactive and non-interactive?
Interactive Mode means that you can use the web page like normal navigating. Non-Interactive Mode means that you cannot use the browser, think of it like the page is read-only. If you click on anything or hit a keyboard key, the browser will automatically close and continue PowerPoint.
What’s the difference between a login shell and an interactive shell?
If you then type bash then you enter an interactive shell, but it is not a login shell. If a shell script (a file containing shell commands) is run, then it is neither a login shell nor an interactive one. Start-up files are highly tailorable in bash:
What’s the difference between interactive and non-interactive shells?
Interactive: As the term implies: Interactive means that the commands are run with user-interaction from keyboard. E.g. the shell can prompt the user to enter input. Non-interactive: the shell is probably run from an automated process so it can’t assume it can request input or that someone will see the output.
What’s the difference between non-login and non-interactive Bash?
When a shell script is run, it is executed in a non-login, non-interactive shell. Depending on how the session is launched, the bash shell reads several configuration files. One difference between distinct sessions is whether the shell is being invoked as non-login or as a login session.
When to use Bash as a login shell?
“When bash is invoked as an interactive login shell, or as a non-interactive shell with the –login option, it first reads and executes commands from the file /etc/profile, if that file exists.