System command

shrink command

The Diskpart shrink command reduces the size of the selected volume by the amount you specify. This guide lists the documented syntax and parameters for shrink; check Microsoft Learn for version, role and execution-context requirements.

Availability: Microsoft Learn command reference spanning Windows client and Windows Server releases; some entries are legacy, role-specific, optional-feature or interactive subcommands.中文

Documented syntax

shrink [desired=<n>] [minimum=<n>] [nowait] [noerr]
shrink querymax [noerr]

The linked Microsoft Learn article is the upstream authority. Availability may depend on Windows release, role, optional feature or interactive tool context.

Examples

Example from the linked Microsoft Learn article. Check its paths, targets and availability before adapting it.

shrink desired=500 minimum=250

Example from the linked Microsoft Learn article. Check its paths, targets and availability before adapting it.

shrink querymax

Parameters, options and clauses

Option / clauseDescription
desired=<n>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
minimum=<n>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
querymaxMicrosoft documents this argument or subcommand; check the linked reference for its required format and context.
nowaitMicrosoft documents this argument or subcommand; check the linked reference for its required format and context.
noerrMicrosoft documents this argument or subcommand; check the linked reference for its required format and context.
<n>Microsoft documents this argument or subcommand; check the linked reference for its required format and context.
Safety note

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.

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