You can compile, bind, and run z/OS® XL C programs under z/OS batch, TSO, or the z/OS shell. You cannot run the IPA link step under TSO. For more information, see Compiling, Binding z/OS XL C/C++ programs, and Running a C or C++ application.
This document uses the term user prefix to refer to the high-level qualifier of your data sets. For example, in PETE.TESTHDR.H, the user prefix is PETE. Under TSO, your prefix is set or queried by the PROFILE command.