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V. Reg Export
Description: Creates a copy of the specified sub-item, item, and value to a file to transfer it to another server.
Syntax:
Reg export keyname filename
Parameters:
Keyname specifies the full path of the subitem. The export operation can only work on a local computer. Start with the corresponding subdirectory tree path. The valid subdirectory trees are HKLM, hkcu, hkcr, HKU, and HKCC.
Filename specifies the name and path of the file to be exported. The file must have the. Reg extension.
Note:
The following table lists the return values of the reg export operation. Value description
0 successful
1 failed
Example:
The following example shows how to use the reg Export command:
Reg export "hkcu \ Software \ Microsoft \ winmine" C: \ data \ regbackups \ wmbkup. Reg
Vi. Reg Import
Description: Copies the file containing the exported registry subkeys, keys, and values to the registry of the local computer.
Syntax:
Reg import filename
Parameters:
Filename specifies the name and path of the file to be copied to the registry of the local computer. You must use the reg Export command to create the file in advance.
Note:
The following table lists the return values of the reg import operation. Value description
0 successful
1 failed
Example:
The following example shows how to use the reg import command:
Reg import hkcu \ Software \ Microsoft \ winmine "C: \ data \ regbackups \ wmbkup. Reg
VII. Reg Load
Description: writes the saved subkeys and items back to different subkeys in the registry. The purpose is to save it to a temporary file, which can be used to answer the registry key or edit the registry key.
Syntax:
Reg load keyname filename
Parameters:
Keyname indicates the full path of the sub-item. For remote computers, please include the computer name before the sub-path in \ computername \ pathtosubkey. If computername is ignored, operations on the local computer are performed by default. Start with the corresponding subdirectory tree path. The valid subdirectory trees are HKLM, hkcu, hkcr, HKU, and HKCC.
Filename specifies the name and path of the file to be loaded. You must use Reg save with the. HIV extension to create the file.
Note:
The following table lists the return values of the reg load operation. Value description
The following table lists the return values of the reg load operation. Value description
0 successful
1 failed
Example:
The following example shows how to use the reg load command:
Reg load "hkcu \ Software \ Microsoft \ winminebk2" wmbkup. HIV
VIII. Reg Query
Description: return the items under the subkeys of the Registry and the list of subkeys of the next layer.
Syntax:
Reg query keyname [{/V entryname |/ve}] [/S]
Parameters:
Keyname indicates the full path of the sub-item. For remote computers, please include the computer name before the sub-path in \ computername \ pathtosubkey. If computername is ignored, operations on the local computer are performed by default. Start with the corresponding subdirectory tree path. The valid subdirectory trees are HKLM, hkcu, hkcr, HKU, and HKCC. If you specify a remote computer, you can only use the HKLM and HKU subdirectory trees.
/V entryname returns a specific item and its value. This parameter only returns items directly located in the next layer of the specified subitem. The items in the subitem under the current subitem cannot be found. If entryname is omitted, all items under the subitem are returned.
/Ve specifies that only items with null values are returned.
/S returns all the sub-items and items in each layer. If this parameter is not used, only the subitem and item of the next layer are returned.
Note:
The following table lists the return values of the reg query operation. Value description
0 successful
1 failed
Example:
The following example shows how to use the reg query command:
Reg query "HKLM \ System \ CurrentControlSet \ Control \ Session Manager"/V maxstacktracedepth
Reg query "hkcu \ Software \ Microsoft \ winmine"/s
IX. Reg restore
Description: writes the saved subitem and item back to the Registry.
Syntax:
Reg restore keyname filename
Parameters:
Keyname specifies the full path of the subitem. The restore operation only works on the local computer. Start with the corresponding subdirectory tree path. The valid subdirectory trees are HKLM, hkcu, hkcr, HKU, and HKCC.
Filename specifies the name and path of the file that will be written back to the Registry. The file must be created in advance using the reg save operation with the. HIV extension.
Note:
This operation overwrites the edited registry key. Before editing the registry key, use Reg save to save the parent key. If the editing fails, you can use this operation to restore the subitem.
This operation overwrites the edited registry key. Before editing the registry key, use Reg save to save the parent key. If the editing fails, you can use this operation to restore the subitem.
The following table lists the return values of the reg restore operation. Value description
0 successful
1 failed
Example:
The following example shows how to use the reg restore command:
Reg restore "hkcu \ Software \ Microsoft \ winmine" wmbkup. HIV
10. Reg save
Description:
Save a copy of the specified subitem, item, and registry value to the specified file.
Syntax:
Reg save keyname filename
Parameters:
Keyname
The full path of the sub-item. For remote computers, please include the computer name before the sub-path in \ computername \ pathtosubkey. If computername is ignored, operations on the local computer are performed by default. Start with the corresponding subdirectory tree path. The valid subdirectory trees are HKLM, hkcu, hkcr, HKU, and HKCC.
Filename specifies the name and path of the created file. If no path is specified, the current path is used.
Note:
The following table lists the return values of the reg save operation. Value description
The following table lists the return values of the reg save operation. Value description
0 successful
1 failed
Example:
The following example shows how to use the reg save command:
Reg save "hkcu \ Software \ Microsoft \ winmine" wmbkup. HIV
11. Reg unload
Description: use Reg load to delete some loaded registries.
Syntax:
Reg unload keyname
Parameters:
Keyname indicates the full path of the sub-item. For remote computers, please include the computer name before the sub-path in \ computername \ pathtosubkey. If computername is ignored, operations on the local computer are performed by default. Start with the corresponding subdirectory tree path. The valid subdirectory trees are HKLM, hkcu, hkcr, HKU, and HKCC.
Note: The following table lists the return values of the reg unload operation. Value description
The following table lists the return values of the reg unload operation. Value description
0 successful
1 failed
Example:
The following example shows how to use the reg unload command:
Reg unload "hkcu \ Software \ Microsoft \ winminebk2"
Be careful
Improper registry editing may seriously damage your system. Back up any valuable data on the computer before changing the registry.