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					Reg
Adds, changes, and displays registry sub key information and values in registry entries.
To view the command syntax, click a command:
reg add
Adds a new sub key or entry to the registry.

Syntax
reg add KeyName [/v EntryName|/ve] [/t DataType] [/s separator] [/d value] [/f]

Parameters
KeyName
      Specifies the full path of the subkey. For remote computers, include the computer name before
      the path of the subkey in the \\ComputerName\PathToSubkey format. Omitting ComputerName
      causes the operation to default to the local computer. Start the path with the appropriate subtree.
      The valid subtrees are HKLM, HKCU, HKCR, HKU, and HKCC.
/v EntryName
      Specifies the name of the entry to be added under the specified subkey.
/ve
      Specifies that the entry that is added to the registry has a null value.
/t DataType
      Specifies the data type for the value of the entry. DataType can be one of the following:

      REG_SZ

      REG_MULTI_SZ

      REG_DWORD_BIG_ENDIAN

      REG_DWORD

      REG_BINARY

      REG_DWORD_LITTLE_ENDIAN

      REG_LINK

      REG_FULL_RESOURCE_DESCRIPTOR

      REG_EXPAND_SZ

/s separator
      Specifies the character used to separate multiple instances of data. Used when REG_MULTI_SZ
      is specified as the data type and more than one entry needs to be listed. If not specified, the
      default separator is \0.
/d value
      Specifies the value for the new registry entry.
/f
      Adds the subkey or entry without asking for confirmation.
/?
      Displays help at the command prompt.


Remarks
    •   Subtrees cannot be added with this operation. This version of Reg does not ask for confirmation
        when adding a subkey.
    •   The following table lists the return values for the reg add operation.
        Value Description
        0      Success
        1      Failure

Examples
The following examples show how you can use the reg add command:
reg add \hklm\software\myco /v data /t reg_binary /d fe340ead
reg add "hkcu\software\microsoft\winmine" /v Name3 /t reg_sz /d Anonymous
reg add "hkcu\software\microsoft\winmine" /v Time3 /t reg_dword /d 5
reg compare
Compares specified registry subkeys or entries.

Syntax
reg compare KeyName1 KeyName2 [/v EntryName | /ve] {[/oa]|[/od]|[/os]|[on]} [/s]

Parameters
KeyName
      Specifies the full path of the subkey. For remote computers, include the computer name before
      the path of the subkey in the \\ComputerName\PathtoSubkey format. Omitting ComputerName
      causes the operation to default to the local computer. Start the path with the appropriate subtree.
      The valid subtrees are HKLM, HKCU, HKCR, HKU, and HKCC. If a remote computer is
      specified, you can use the HKLM and HKU subtrees only.
/v EntryName
      Compares a specific entry under the subkey.
/ve
      Specifies that only entries that have no value will be compared.
{[/oa]|[/od]|[/os]|[on]}
      Specifies how differences and matches are displayed. The default is /od.
       Value                                           Description
               Specifies that all differences and matches are displayed. By default, only the differences
      /oa
               are listed.
      /od    Specifies that only differences are displayed. This is the default behavior.
      /os    Specifies that only matches are displayed. By default, only the differences will be listed.
      /on    Specifies that nothing is displayed. By default, only the differences will be listed.
/s Separator
      Compares all subkeys and entries.
/?
      Displays help at the command prompt.


Remarks
    •   The following table lists the return values for the reg compare operation.
        Value                           Description
        0      The comparison is successful and the result is identical.
        1      The comparison failed.
        2      The comparison is successful and differences were found.

Examples
The following example shows how you can use the reg compare command:
reg compare "hkcu\software\microsoft\winmine" "hkcu\software\microsoft\winmine" /od /s
reg copy
Copies a registry entry to a specified location in the local or remote computer.

Syntax
reg copy KeyName1 KeyName2 [/s] [/f]

Parameters
KeyName1
    Specifies the full path of the subkey to copy. For remote computers, include the computer name
    before the path of the subkey in the \\ComputerName\PathToSubkey format. Omitting
    ComputerName causes the operation to default to the local computer. Start the path with the
    appropriate subtree. The valid subtrees are HKLM, HKCU, HKCR, HKU, and HKCC. If a
    remote computer is specified, you can use the HKLM and HKU subtrees only.
KeyName2
    Specifies the full path of the subkey destination. For remote computers, include the computer
    name before the path of the subkey in the \\ComputerName\PathToSubkey format. Omitting
    ComputerName causes the operation to default to the local computer. Start the path with the
    appropriate subtree. The valid subtrees are HKLM, HKCU, HKCR, HKU, and HKCC. If a
    remote computer is specified, you can use the HKLM and HKU subtrees only.
/s
    Copies all subkeys and entries under the specified subkey.
/f
    Copies the subkey without asking for confirmation.
/?
        Displays help at the command prompt.


Remarks
    •    This version of Reg does not ask for confirmation when copying a subkey.
    •    The following table lists the return values for the reg copy operation.
         Value Description
         0      Success
         1      Failure

Examples
The following examples show how you can use the reg copy command:
reg copy "hkcu\software\microsoft\winmine" "hkcu\software\microsoft\winminebk" /s /f
reg copy "hkcu\software\microsoft\winminebk" "hkcu\software\microsoft\winmine" /s
reg delete
Deletes a subkey or entries from the registry.

Syntax
reg delete KeyName [{/v EntryName|/ve|/va}] [/f]

Parameters
KeyName
      Specifies the full path of the subkey. For remote computers, include the computer name before
      the path of the subkey in the \\ComputerName\PathToSubkey format. Omitting ComputerName
      causes the operation to default to the local computer. Start the path with the appropriate subtree.
      The valid subtrees are HKLM, HKCU, HKCR, HKU, and HKCC.
/v EntryName
      Deletes a specific entry under the subkey. If no entry is specified, then all entries and subkeys
      under the subkey will be deleted.
/ve
      Specifies that only entries that have no value will be deleted.
/va
      Deletes all entries under the specified subkey. Subkeys under the specified subkey are not deleted
      with this parameter.
/f
      Deletes the existing registry subkey or entry without asking for confirmation.
/?
      Displays help at the command prompt.


Remarks
    •    The following table lists the return values for the reg delete operation.
         Value Description
        0      Success
        1      Failure

Examples
The following examples show how you can use the reg delete command:
reg delete "hkcu\software\microsoft\winmine" /v Name1
reg delete "hkcu\software\microsoft\winmine" /v Time1
reg delete "hkcu\software\microsoft\winmine" /va
reg export
Creates a copy of specified subkeys, entries, and values into a file so that it can be transferred to other
servers.

Syntax
reg export KeyName FileName

Parameters
KeyName
     Specifies the full path of the subkey. The export operation works only with the local computer.
     Start the path with the appropriate subtree. The valid subtrees are HKLM, HKCU, HKCR,
     HKU, and HKCC.
FileName
     Specifies the name and path of the file to be exported. The file must have a .reg extension.
/?
     Displays help at the command prompt.


Remarks
    •   The following table lists the return values for the reg export operation.
        Value Description
        0      Success
        1      Failure

Examples
The following example shows how you can use the reg export command:
reg export "hkcu\software\microsoft\winmine" c:\data\regbackups\wmbkup.reg
reg import
Copies a file containing exported registry subkeys, entries, and values into the local computer's registry.

Syntax
reg import FileName
Parameters
FileName
     Specifies he name and path of the file that will be copied into the registry of the local computer.
     This file needs to be created beforehand with the reg export operation.
/?
     Displays help at the command prompt.


Remarks
    •   The following table lists the return values for the reg import operation.
        Value Description
        0      Success
        1      Failure

Examples
The following example shows how you can use the reg import command:
reg import "hkcu\software\microsoft\winmine" c:\data\regbackups\wmbkup.reg
reg load
Writes saved subkeys and entries back to a different subkey in the registry. This is intended to be a
temporary file that can be used for troubleshooting or editing registry entries.

Syntax
reg load KeyName FileName

Parameters
KeyName
     Specifies the full path of the subkey. For remote computers, include the computer name before
     the path of the subkey in the \\ComputerName\PathToSubkey format. Omitting ComputerName
     causes the operation to default to the local computer. Start the path with the appropriate subtree.
     The valid subtrees are HKLM, HKCU, HKCR, HKU, and HKCC.
FileName
     Specifies the name and path of the file that will be loaded. This file must have been created with
     the reg save operation using a .hiv extension.
/?
     Displays help at the command prompt.


Remarks
    •   The following table lists the return values for the reg load operation.
        Value Description
        0      Success
        1      Failure
Examples
The following example shows how you can use the reg load command:
reg load "hkcu\software\microsoft\winminebk2" wmbkup.hiv
reg query
Returns a list of the next tier of subkeys and entries located under a subkey in the registry.

Syntax
reg query KeyName [{/v EntryName|/ve}] [/s]

Parameters
KeyName
      Specifies the full path of the subkey. For remote computers, include the computer name before
      the path of the subkey in the \\ComputerName\PathToSubkey format. Omitting ComputerName
      causes the operation to default to the local computer. Start the path with the appropriate subtree.
      The valid subtrees are HKLM, HKCU, HKCR, HKU, and HKCC. If a remote computer is
      specified, you can use the HKLM and HKU subtrees only.
/v EntryName
      Returns a specific entry and its value. This parameter only returns entries that are in the tier
      directly below the specified subkey. Entries that are located in subkeys under the current subkey
      will not be found. When EntryName is omitted, all entries under the subkey are returned.
/ve
      Specifies that only entries that have no value will be returned.
/s
      Returns all subkeys and entries in all tiers. Without this parameter, only the next tier of subkeys
      and entries will be returned.
/?
      Displays help at the command prompt.


Remarks
    •   The following table lists the return values for the reg query operation.
        Value Description
        0      Success
        1      Failure

Examples
The following examples show how you can use the reg query command:
reg query "hklm\system\currentcontrolset\control\session manager" /v maxstacktracedepth
reg query "hkcu\software\microsoft\winmine" /s
reg restore
Writes saved subkeys and entries back to the registry.
Syntax
reg restore KeyName FileName

Parameters
KeyName
     Specifies the full path of the subkey. The restore operation works only with the local computer.
     Start the path with the appropriate subtree. The valid subtrees are HKLM, HKCU, HKCR,
     HKU, and HKCC.
FileName
     Specifies the name and path of the file that will be written back to the registry. This file needs to
     be created beforehand with the reg save operation using a .hiv extension.
/?
     Displays help at the command prompt.


Remarks
    •   This operation is used to overwrite registry entries that have been edited. Before editing entries,
        save the parent subkey with the reg save operation. If the edit fails, restore the subkey with this
        operation.
    •   The following table lists the return values for the reg restore operation.
         Value Description
        0       Success
        1       Failure

Examples
The following example shows how you can use the reg restore command:
reg restore "hkcu\software\microsoft\winmine" wmbkup.hiv
reg save
Saves a copy of specified subkeys, entries, and values of the registry in a specified file.

Syntax
reg save KeyName FileName

Parameters
KeyName
     Specifies the full path of the subkey. For remote computers, include the computer name before
     the path of the subkey in the \\ComputerName\PathToSubkey format. Omitting ComputerName
     causes the operation to default to the local computer. Start the path with the appropriate subtree.
     The valid subtrees are HKLM, HKCU, HKCR, HKU, and HKCC.
FileName
     Specifies the name and path of the file that is created. If no path is specified, then the current path
     is used.
/?
         Displays help at the command prompt.


Remarks
     •    The following table lists the return values for the reg save operation.
          Value Description
          0      Success
          1      Failure

Examples
The following example shows how you can use the reg save command:
reg save "hkcu\software\microsoft\winmine" wmbkup.hiv
reg unload
Removes a section of the registry that was loaded using the reg load operation.

Syntax
reg unload KeyName

Parameters
KeyName
    Specifies the full path of the subkey. For remote computers, include the computer name before
    the path of the subkey in the \\ComputerName\PathToSubkey format. Omitting ComputerName
    causes the operation to default to the local computer. Start the path with the appropriate subtree.
    The valid subtrees are HKLM, HKCU, HKCR, HKU, and HKCC.
/?
    Displays help at the command prompt.


Remarks
     •    The following table lists the return values for the reg unload operation.
          Value Description
          0      Success
          1      Failure

Examples
The following example shows how you can use the reg unload command:
reg unload "hkcu\software\microsoft\winminebk2"

				
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Description: it hepto edit registry