Example from the linked Microsoft Learn article. Check its paths, targets and availability before adapting it.
bdehdcfg -target default -size 500bdehdcfg size command
Specifies the size of the system partition when a new system drive is being created. This guide lists the documented syntax and parameters for bdehdcfg size; check Microsoft Learn for version, role and execution-context requirements.
Documented syntax
bdehdcfg -target {default|unallocated|<drive_letter> shrink} -size <size_in_mb>The linked Microsoft Learn article is the upstream authority. Availability may depend on Windows release, role, optional feature or interactive tool context.
Examples
Parameters, options and clauses
| Option / clause | Description |
|---|---|
-target | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
<drive_letter> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
-size | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
<size_in_mb> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
Review a command and its target before running it. Commands that alter files, services, accounts, disks, permissions or databases may be difficult to reverse. Test in a safe environment and keep backups.