Use :: or REM
:: commenttttttttttt REM commenttttttttttt BUT (as people noted):
::doesn't work inline; if they are not in the beginning of line, then add&character:
your commands here & :: commenttttttttttt- Inside nested parts (
IF/ELSE,FORloops, etc...)::should be followed with normal line, otherwise it gives error (useREMthere). ::may also fail withinsetlocal ENABLEDELAYEDEXPANSION