The following chapters describe all UDO commands in detail. All descriptions use the same categories so you can see at a glance what to do with which command. The categories are explained as follows.
Preamblemeans that you are only allowed to use this command in the preamble of your source file (before !begin_document).
Main partmeans that you are only allowed to use it behind !begin_document.
Preamble & main partmeans that you can use this command wherever you want.
|<file>||replaces a file name|
|<value>||replaces a number|
|<char>||replacedescriptions a single char|
|replaces the abbreviation of the destination formats|
|replaces the abbreviation of the destination language|
|replaces one or more operating system|
|replaces the name of a color|
|replaces the name of a character set|