The specified unit must be open for writing sequential formatted output. Flag to specify whether or not error messages should be printed. Initial default is .true. Flag to specify whether or not the program should abort on an error. If the program does not abort, then the requested operation is ignored and execution continues.
Initial default is .false.
Currently all the forms print the time to .01 seconds. Print seconds as a real number. True if the cpu clock is available in the implementation. True if the user clock is available in the implementation. True if the sys clock is available in the implementation.