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Windows 7 Portable Command Guide: Understanding the Windows Management Instrumentation Command Line

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This chapter provides information and commands concerning wmic, configuring the firewall to allow wmic, running wmic, modifying the format with the /format switch, retrieving help from wmic, understanding aliases and using verbs.
This chapter is from the book

This chapter provides information and commands concerning the following topics:

  • Understanding wmic
  • Configuring the firewall to allow wmic
  • Running wmic
  • Modifying the format with the /format switch
  • Retrieving help from wmic
  • Understanding aliases
  • Using verbs

Understanding wmic

wmic is the command-line implementation of Windows Management Instrumentation (WMI). It extends WMI so that you can execute many WMI commands without a full understanding of the underlying details.

WMI is a group of technologies that allows different applications to interact with the Windows operating system. It is based on the Web-Based Enterprise Management (WBEM) standard and it's a full-blown scripting tool. Administrators use WMI scripting to perform a wide variety of administrative tasks, and WMI scripting is included in many third-party vendor tools.

Some of the most valuable commands and switches are summarized in the following table.

Command

Description

wmic alias list brief
C:\>wmic alias list brief
               

Retrieves a list of all aliases.

wmic aliasname list full
C:\>wmic computersystem list full
               

Retrieves a list of all properties and known values for any alias.

wmic aliasname get /?
C:\>wmic computersystem get /?
               

Retrieves a list of properties for an alias, including the data type and available operations.

wmic aliasname set /?
C:\>wmic computersystem set /?
               

Retrieves a list of properties for an alias that can be modified. The list includes the data type and available operations.

/output: target
C:\>wmic /output:c:\data\cpu.txt computersystem list full
               

Redirects the output to a file. You can redirect the output to the Clipboard by using /output:clipboard.

delete ( a process )
  wmic process where (name = process-name )delete
C:\>wmic process where (name ='notepad.exe') delete
               

Deletes an instance of a running process.

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