This article describes how use command-line options to
configure the Disk Cleanup tool (Cleanmgr.exe) to automatically clean up
Cleanmgr.exe is designed to clear unnecessary files from
your computer's hard disk. You can use command-line options to specify that
Cleanmgr.exe cleans up certain files. You can then schedule the task to run at
a specific time by using the Scheduled Tasks tool.
To start the Disk
Cleanup tool, either run the Cleanmgr.exe
command, or click Start
, point to
, point to Accessories
, point to
, and then click Disk Cleanup
Disk Cleanup supports the following command-line options:
- /d driveletter: - This option specifies the drive that you want Disk Cleanup to
Note: The /d option is not utilized with /sagerun: n.
- /sageset: n - This option displays the Disk Cleanup Settings dialog box and also creates a registry key to store the settings
that you select. The n value, which is stored in the
registry, allows you to specify tasks for Disk Cleanup to run. The
n value can be any integer value from 0 to 65535. To
have all of the options available when you use the /sageset option, you might need to specify the drive where Windows is
- /sagerun: n - This option runs the specified tasks that are assigned to the
n value if you use the \sageset option. All drives on the computer are enumerated and the
selected profile runs against each drive.
For example, in Scheduled
Tasks, you could run the following command after you run the cleanmgr
cleanmgr /sagerun:11 This command runs Disk Cleanup and includes the
options that you specified with the cleanmgr /sageset:11
The options for the files that you can specify for Disk Cleanup
by using /sageset
- Temporary Setup Files - These are files
that were created by a Setup program that is no longer running.
- Downloaded Program Files - Downloaded
program files are ActiveX controls and Java programs that are downloaded
automatically from the Internet when you view certain pages. These files are
temporarily stored in the Downloaded Program Files folder on the hard disk.
This option includes a View Files button so that you can see
the files before Disk Cleanup removes them. The button opens the
C:\Winnt\Downloaded Program Files folder.
- Temporary Internet Files - The Temporary
Internet Files folder contains Web pages that are stored on your hard disk for
quick viewing. Disk Cleanup removes these page but leaves your personalized
settings for Web pages intact. This option also includes a View
Files button, which opens the C:\Documents and
Settings\Username\Local Settings\Temporary Internet
- Old Chkdsk Files - When Chkdsk checks a
disk for errors, Chkdsk might save lost file fragments as files in the root
folder on the disk. These files are unnecessary.
- Recycle Bin - The Recycle Bin contains
files that you have deleted from the computer. These files are not permanently
removed until you empty the Recycle Bin. This option includes a View
Files button that opens the Recycle Bin.
- Temporary Files - Programs sometimes store
temporary information in a Temp folder. Before a program quits, the program
usually deletes this information. You can safely delete temporary files that
have not been modified within the last week.
- Temporary Offline Files - Temporary
offline files are local copies of recently used network files. These files are
automatically cached so that you can use them after you disconnect from the
network. A View Files button opens the Offline Files
- Offline Files - Offline files are local
copies of network files that you specifically want to have available offline so
that you can use them after you disconnect from the network. A View
Files button opens the Offline Files folder.
- Compress Old Files - Windows can compress
files that you have not used recently. Compressing files saves disk space, but
you can still use the files. No files are deleted. Because files are compressed
at different rates, the displayed amount of disk space that you will gain is
approximate. An Options button permits you to specify the
number of days to wait before Disk Cleanup compresses an unused
- Catalog Files for the Content Indexer -
The Indexing service speeds up and improves file searches by maintaining an
index of the files that are on the disk. These Catalog files remain from a
previous indexing operation and can be deleted safely.
If you specify cleaning up the drive that contains the Windows
installation, all of these options are available on the Disk
tab. If you specify any other drive, only the Recycle
and the Catalog files for content index
are available on the Disk Cleanup
tab contains options for cleaning up Windows
components or installed programs.
- The Windows Components option creates free
space by removing optional Windows components that you do not use. Clicking
Clean Up starts the Windows Components Wizard.
- The Installed Programs option frees more
disk space by removing programs that you do not use. Clicking Clean
Up starts the Change or Remove Programs option in the
Add/Remove Programs tool.