A machine reboots and Windows starts checking a volume for errors before the desktop appears. On a workstation that is an inconvenience. On a production server it is an outage that nobody scheduled. The check runs because the volume is…
pushd and popd are two CMD built-in commands that let you save your current directory to a stack, navigate elsewhere, and return to the saved path with a single command. They are especially useful in batch scripts where you need…
nltest is a command-line utility that communicates directly with the Netlogon service on Windows. It gives system administrators direct access to domain controller discovery, trust relationship inspection, and secure channel management — all from the command line, without opening Active…
The TITLE command changes the title bar text of a Command Prompt window. You probably already know that. But there is more to it — dynamic status updates during script execution, multi-window orchestration with START, and a few non-obvious behaviors…
ren renames a file or a folder from the command line. It has existed since MS-DOS, it takes no switches, and it is still the fastest way to rename a batch of files by pattern without opening Explorer or writing…
A deeply nested project path is tedious to type and awkward in scripts that expect a short root. subst maps that folder to a drive letter, so D:\Projects\Client\2026\Build\Output becomes P:. The command has been in Windows since DOS. It creates…
mklink is a built-in Windows CMD command that creates symbolic links, hard links, and directory junctions — pointers that let the operating system treat one path as if it were another. It requires no third-party tools and works on every…
You are on a domain-joined Windows machine, someone asks you to submit a CSR to the CA, and nothing in front of you says which server that is. On a domain you inherited rather than built, there may not be…
certutil is a built-in Windows utility primarily used for certificate management, but it also supports Base64 encoding and decoding of files directly from CMD — no additional software required. It has been available on every version of Windows since Vista…
Testing a connection through a browser means loading a page, waiting for ads and reading a gauge that rounds everything. On a server with no browser it is not an option at all. Speedtest CLI is Ookla’s official command line…
