Sometimes, we need to know, if our PowerShell command run successfully or not.
Normally if there are any errors, we see them in red. But still!!
There is a special variable in PowerShell, Dollar sign and question mark $?, which tell about , if the last command runs successfully or not. If the command runs successfully, the output is set to true, and it the command doesn't run successfully, the output contains False.
$?
Now, you must be thinking, what will happen, if the -ErrorAction is set to SilentlyContinue. And you are not able to see the red-error code, in-those-scenario $? is really helpful to know , if the command runs fine or not.
Regards
Aman Dhally
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