Hypershade Edit menu

Delete
Deletes the selected node(s). When you delete a node from Hypershade, it's deleted from the session.
Delete Unused Nodes
Deletes nodes not assigned to geometry or particles.
Delete Duplicate Shading Networks
Deletes redundant shading networks.
Delete All by Type
Deletes all nodes of the type you select, whether they are assigned or not.
Revert Selected Swatches
Reverts the selected swatches to their default shapes.
Select All by Type
Highlights all the node swatches you select from this menu.
Select Objects with Materials
Highlights all the node swatches from objects that have materials assigned to them.
Select Materials from Objects
Highlights all the node swatches from selected objects. For example, if you want to know which materials are used by objects A,B,C, you can first select objects A,B,C, then select this menu item to select materials related to A,B,C. Objects A,B,C will no longer be selected. The initial objects you selected can be a normal object or a group or faces of a polygon geometry.
Duplicate

Duplicates the selected node or shading network. To duplicate a node without its network, select the node and select Edit > Duplicate > Without Network. To duplicate a node and connect it to the same network (in effect, sharing the network), select Edit > Duplicate > With Connections to Network.

Convert to File Texture (Maya Software)

Converts (renders) illumination, shadow, shading, and textures to a file texture you can use as a texture map.

Select Edit > Convert to File Texture (Maya Software) > to open the Convert to File Texture options window.

See Baking illumination and color for more information.

Convert PSD to Layered Texture
Retains the layers in your PSD file and converts file to corresponding layered texture.
Convert PSD to File Texture
Converts a PSD file to a file texture and compresses all layers into one. See Convert a PSD node to a file texture.
Create PSD Network
Opens the Create PSD Network Options window, which lets you create a PSD texture network you can use as a texture map. See also Use PSD Networks as textures in Maya.
Edit PSD Network
Once you’ve created a PSD Network, you can edit it. When you edit a PSD Network you can add or remove attributes in the Edit PSD Network Options window. See Edit PSD Networks for more information.
Update PSD Networks
As you modify a PSD file (in Adobe Photoshop) that is connected to a Maya PSD node (in Maya), updates (refreshes) the image in Maya to show the modifications immediately. See Update PSD Networks for more information.
Edit Texture
Opens your default image editor and allows you to edit the texture.
Test Texture

See Test textures (and texture ranges). Select Edit > Test Texture > to open the Test Texture Options dialog box and enter the x and y resolutions of the test texture.

Render Texture Range
Select Edit > Render Texture Range > to open the Render Texture Range Options window. See Test textures (and texture ranges) for more information.