how to grep in windows cmd code example

Example 1: how to make history | grep in windows

Use doskey in Windows for requesting your command history. For that you first
have to create once a storage file in some directory as follows:
doskey /history > C:/history.txt

Then just use doskey command together with fidstr to filter your history:
doskey /history | findstr "substring"

Example 2: windows cat grep equivalent

Use cat with find in Windows PowerShell
cat [Filename] | find "search"