Modifying the system menu

[Lawrence D'Oliveiro]

In message
<bfa45e21-fb5e-454d-a4c2-e7cc00919f38 at p31g2000prf.googlegroups.com>,
raj.indian.08 at gmail.com wrote:

>     For example say - I am creating multiple desktops for windows  -
> and I want to give every application the capability to be moved across
> different desktops.

But doesn't the desktop environment/window manager that provides the
multiple desktops also provide the relevant entries in the system menu?