Intel® Fortran Compiler XE 13.1 User and Reference Guides
Depending on your operating system and your architecture platform, several debuggers may be available to you.
You can use the debugger provided by your operating system. On Linux* OS and OS X*, this debugger is gdb. On Windows* OS, the debugger is the Microsoft integrated debugger.
On Linux OS and on OS X systems, you can also use the Intel® Debugger to debug Intel® Fortran programs.
For more information, see the Intel Debugger online documentation.
On Linux OS and OS X systems, use of the Intel debugger is recommended.