Chapter 10. File I/O
This chapter deals with the ins and outs of accessing files on your application server, which are known as inputs and outputs or I/O. Anytime a program interacts with the operating system, it performs an I/O operation. These operations involve moving data from a program variable in memory to: (a) another local program; (b) another remote program; (c) a shared memory segment; or (d) the file system. Local and remote programs that share memory segments and file systems are also known as resources, as are files.
This chapter examines the ins and outs of using system resources in the following sequence:
Understanding files and file systems
File information functions
File location functions
File management functions
File status functions ...
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