File Systems

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DirUse is a command-line tool that can be used to determine the actual usage of space for compressed files and folders in NTFS volumes. The syntax of the command is:

diruse [/s | /v] [/m | /k | /b] [/c] [/,] [/l] [/*] [/q: # ] [/a] [/d]

[/o] [folders]

Table 17.17 describes the switches available with DirUse.

Table 17.17 DirUse Switches

Switch

Description

/s

Specifies whether subfolders are included in the output.

/v

Outputs progress reports while scanning subfolders. Ignored if /s is specified.

/m

Displays disk usage, in megabytes.

/k

Displays disk usage, in kilobytes.

/b

Displays disk usage, in bytes (default).

/c

Uses Compressed size instead of apparent size.

/,

Uses thousand separator when displaying sizes.

/l

Outputs overflow to log file Diruse.log.

/*

Uses the top-level folders residing in the specified dirs .

/q:#

Marks folders that exceed the specified size (#) with a !. (If /m or /k is not specified, then bytes is assumed.)

/a

Specifies that an alert is generated when specified sizes are exceeded. (The Alerter service must be running.)

/d

Displays only folders that exceed specified sizes.

/o

Specifies that subfolders are not checked for specified size overflow.

folders

Specifies a list of the paths to check.

/?

Displays user help.

The important switch for compressed folders and files is /c , which causes DirUse to display the actual size of a compressed file or folder instead of apparent uncompressed size. For example, if your drive D is an NTFS volume, to get the disk space actually used (in megabytes) and the number of files in each of the folders, at the command prompt type:

diruse /s /m /c d:

To see compression information for an individual file, open Windows Explorer, right-click the file, and then click Properties .

For more information about DirUse, see the Windows 2000 Resource Kit Tools Help.

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Note

DirUse is a Windows 2000 Resource Kit tool. Install this tool from the Windows 2000 Resource Kit companion CD.