Implementation details of XL Fortran Input/Output (I/O)

Implementation details of file formats
File names
Preconnected and Implicitly Connected Files
File positioning
I/O Redirection
How XLF I/O interacts with pipes, special files, and links
Default record lengths
File permissions
Selecting error messages and recovery actions
Flushing I/O buffers
Choosing locations and names for Input/Output files
Naming files that are connected with no explicit name
Naming scratch files
Asynchronous I/O
Execution of an asychronous data transfer operation
Usage
Performance
Compiler-generated temporary I/O items
Error handling
XL Fortran thread-safe I/O library
Synchronization of I/O operations
Parallel I/O issues
Use of I/O statements in signal handlers
Asynchronous thread cancellation

This section discusses XL Fortran support (through extensions and platform-specific details) for the Linux file system.

Related information:
See the -qposition option and Mixed-language input and output.