How to use a list of servers in a file to process operations on multiple servers

Example : I’d like to ping several servers listed in a servers.txt file :

- use get-content <filename> in between brackets after a named parameted :

Test-Connection -ComputerName (get-content servers.txt) -Count 1

You can also do the same without the parameter name if it’s a positional parameter :

Test-Connection (get-content servers.txt) -Count 1

More examples to come later…