Port Query (PortQry.exe) is a command-line utility in the Windows operating system that you can use to help troubleshoot TCP/IP connectivity issues. The tool reports the port status of TCP and UDP ...

Lifehacker reader Paladin writes in with some smart command line-fu for running quick commands using command line switches: Whenever I want to do a quick "ping google.com" to see whether my network ...

The utility program MpCmdRun.exe is required to run Windows Defender commands. This file is usually located in the C:\Program Files\Windows Defender folder. Note down ...

One of the useful features of the Windows Command Prompt (also known as CMD, CMD line or Command line) is creating, or adding, a text file to the current directory. This is especially useful if you ...

Security pros often ask about the weaknesses of the Message-Digest version 5 algorithm (MD5) and whether it should still be used. MD5 is a cryptographic one-way hash function that produces a value ...