Log Command window output command
Applies to: 
Visual Studio 
Visual Studio for Mac
Note
This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here
Copies all input and output from the Command window into a file.
Syntax
Tools.LogCommandWindowOutput [filename] [/on|/off] [/overwrite]
Arguments
filename
Optional. The name of the log file. By default, the file is created in the user's profile folder. If the file name already exists, the log is appended to the end of the existing file. If no file is specified, the last file specified is used. If no previous file exists, a default log file is created, called cmdline.log.
Tip
To change the location where the log file is saved, enter the full path of the file, surrounded by quotation marks if the path contains any spaces.
Switches
/on
Optional. Starts the log for the Command window in the specified file and appends the file with the new information.
/off
Optional. Stops the log for the Command window.
/overwrite
Optional. If the file specified in the filename argument matches an existing file, the file is overwritten.
Remarks
If no file is specified, the file cmdline.log is created by default. By default, the alias for this command is Log.
Examples
This example creates a new log file, cmdlog, and starts the command log.
>Tools.LogCommandWindowOutput cmdlog
This example stops logging commands.
>Tools.LogCommandWindowOutput /off
This example resumes the logging of commands in the previously used log file.
>Tools.LogCommandWindowOutput /on