The SERVICE option places a string in the object module, if generated. This string is loaded into memory with any load module into which this object is linked, and if the LE dump includes a traceback, this string will be included in that traceback.
.-NOSERVICE-----------------------. >>-+-SERVICE--(--'service string'--)-+-------------------------><
ABBREVIATIONS: SERV, NOSERV
The string is limited to 64 characters in length.
To ensure that the string remains readable across locales, only characters from the invariant character set should be used.