Looking for logging into the Sign In Powershell site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Sign In Powershell site. After that you can login as usual with your login credentials.
https://stackoverflow.com/questions/363884/what-does-the-symbol-do-in-powershell
https://docs.microsoft.com/en-us/powershell/exchange/exchange-online/connect-to-exchange-online-powershell/connect-to-exchange-online-powershell
https://docs.microsoft.com/en-us/powershell/azure/authenticate-azureps
http://techgenix.com/dollar-sign-underscore-dot/
https://www.red-gate.com/simple-talk/sysadmin/powershell/the-complete-guide-to-powershell-punctuation/
http://www.neolisk.com/techblog/powershell-specialcharactersandtokens
https://support.solarwinds.com/Success_Center/Server_Application_Monitor_(SAM)/Knowledgebase_Articles/Maintain_equals_sign_in_PowerShell_script_arguments_SAM
https://ss64.com/ps/syntax-esc.html
https://www.groupware-migration.com/en/knowledge-base/connect-to-office-365-with-powershell.html
https://support.office.com/en-us/article/connect-powershell-to-office-365-services-06a743bb-ceb6-49a9-a61d-db4ffdf54fa6
https://www.techrepublic.com/blog/10-things/10-fundamental-concepts-for-powershell-scripting/
https://pubs.vmware.com/vCAC-60/topic/com.vmware.vcac.install.doc/GUID-C86DCF49-F23B-4B9C-9FD5-95524FB74F01.html
https://www.computerperformance.co.uk/powershell/comparison-operators/