Learn how to pass arguments to a batch file and read them with %1 and %2. Covers call versus start, counting arguments,

Learn how to make a batch file automatically display the UAC elevation dialog and restart itself with administrator priv

A beginner-friendly guide to creating batch files (.bat). Learn how to make one in Notepad, what @echo off means, how to

Use set /a to do math in Command Prompt and batch files. Covers arithmetic, remainders (%%), counters, random numbers, a

Learn the differences between &, &&, and || for running multiple commands on one line in Command Prompt. Covers grouping

Learn how to view and change the link between file extensions and apps using the assoc and ftype commands in Command Pro

Use the attrib command in Command Prompt to view and change file and folder attributes: read-only, hidden, system, and a

Learn how to run another batch file from a batch file with the call command. Covers why control does not return without

Learn how to change directories with the cd (chdir) command in Command Prompt and batch files: moving to a parent direct

Learn how to use the CERTUTIL command to calculate SHA-256 or MD5 hashes and check that a downloaded file is not corrupt