Subject navigation and information

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Subject navigation and information

After you have opened an object with the Disk Editor, you may navigate by scrolling block by block, or by jumping directly to specific addresses. You may jump to disk system records such as the boot sector (primary and copy) or a partition table.

Use the Navigate button in the toolbar to jump to a specific area in the open object.

The selections that appear depend on the type of object that you are editing.

No matter what object is opened for editing, the first two menu items in the Navigate menu will be Go to Offset and Go to Sector.

Go to Offset

The Go to Offset menu opens a dialog allowing specification of an exact location (offset) in the disk to jump to.

You can use both decimal and hexadecimal values, preceding hexadecimal values with 0x. For example, to specify location 512 as a hexadecimal number, enter 0x200. There are also options to specify an offset from the beginning, from the current position, or from the end.

Next to the offset edit field there are two labels specifying the minimum and maximum allowed vales for offsets displayed as decimal numbers.

You can also open this dialog directly by using the shortcut Ctrl+Shift+G.

Go to Sector

This command allows jumping to the beginning of a specified sector or cluster.

There are two edit fields in this dialog that allow entering a desired location either as a sector number or a cluster number.

The Cluster edit field is available only for logical disks and greyed out for all other objects.

As with the offset dialog, you can also use both decimal and hexadecimal numbers.

Next to the edit field is the range of allowed values in brackets. Notice that not all sectors correspond to clusters, but every cluster corresponds to a particular sector.

You can enter either a sector value or a cluster value. Depending on which field is active, the dialog will use a sector or cluster. If you enter a number in the cluster edit field, a corresponding sector is displayed automatically.

You can also open this dialog directly using the shortcut Ctrl+G.

Back and Forward navigation

When you navigate to an access point through the Navigate menu or jump to a specific offset or sector, those addresses are stored in a stack. You can move backward and forward to the previous locations by using the Back and Forward commands located in the Disk Editor Toolbar.

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