HP-MPI User's Guide (11th Edition)

Frequently asked questions
Building applications
Appendix D 301
a.out: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV),
for GNU/Linux 2.2, dynamically linked (uses shared libraries),
not stripped
For more information on running 32-bit applications, see “Network
specific” on page 304.
For Windows, see the Windows FAQ section.