There are a few things that we can do when launching powershell.
1) We can simply start qowrdshell by typing “powershell” at the command prompt.
2) We can launch powershell faster by not displaying the banner – we do this using the command “powershell -nologo”
3) We can launch an older version of powershell by stating which version to launch e.g. “powershell -version 3”
4) We cab launch powershell using a specific configuration fie (e.g. “powershell -psconsolefile my console.psc1”
5) we can launch powrrshell an tell it to run a command on launch – powershell -command “& {get-service}”