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System Management

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
• System Parameters: Getting and setting various system parameters

To get information on parameters of the system that are built into the system, such as the maximum length of a filename, System Configuration.