STEPS is a tool for structural testing of parallel software. It incorp
orates static and dynamic analysis tools and provides a visual interfa
ce to ease the process of finding errors in processes running in paral
lel. Input data to this tool are C programs with inter-process communi
cation implemented with standard PVM library calls. The version of the
tool described in this paper has been tested on Sun Microsystems mach
ines running Solaris 2.4 and 2.5 operating systems. STEPS works under
X-Windows graphical environment and uses Motif user interface.