This chapter describes facilities for controlling the system that underlies a process (including the operating system and hardware) and for getting information about it. Anyone can generally use the informational facilities, but usually only a properly privileged process can make changes.
|• Host Identification||Determining the name of the machine.|
|• Platform Type||Determining operating system and basic machine type|
|• Filesystem Handling||Controlling/querying mounts|
To get information on parameters of the system that are built into the system, such as the maximum length of a filename, System Configuration.