Guide

Step-by-step guides: how a command or feature works and how to use it on real Windows, Active Directory, VMware and Linux systems.

bcdedit in Windows: read the BCD store and edit boot entries safely

bcdedit is the only editor Windows ships for the Boot Configuration Data store: the binary database that replaced boot.ini and decides which…

driverquery prints the list of device drivers Windows has registered, with no module to import and no elevation required on the local…

Get-VMGuestDisk answers a question that no other PowerCLI cmdlet can answer: how much free space is left on the volumes inside a…

Every CMD one-liner that filters output ends in one of two commands. find looks for a literal string. findstr looks for a…

When you land on a Windows box you have never seen before, the first question is always the same: what is this…

Before a Windows machine can put a packet on the wire for a host on its own subnet, it needs that host’s…

Every packet that leaves a Windows machine is matched against the local IP routing table before anything touches the wire. The table…

tracert maps the routers a packet passes through on the way to a destination, and pathping takes that same hop list and…

Most administrators meet fsutil exactly once, in a forum answer that says to run fsutil hardlink list or fsutil dirty query, and…

Get-VM is the first PowerCLI cmdlet everyone learns and the one most inventory reports are built on. Piping it into Select-Object and…