system call
The invocation of an operating system routine. Operating systems contain sets of routines for performing various low-level operations. For example, all operating systems have a routine for creating a directory. If you want to execute an operating system routine from a program, you must make a system call.
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- system Linux
The system Linux command will execute a shell command specified by calling the /bi/sh -c command. SIGCHLD will be blocked and SIGINT and SIGQUIT will be ignored while executing the system() command. See Linux and operating system terms in
- system disk
Another name for a bootable diskette, a floppy disk (or CD-ROM) that a computer can use to boot the operating system (OS) if the hard drive fails to boot the OS. Typically, PCs will read the floppy disk drive before the hard drive when booting, so if the user leaves a floppy disk in the […]
- system log
The system log file contains events that are logged by the operating system components. These events are often predetermined by the operating system itself. System log files may contain information about device changes, device drivers, system changes, events, operations and more.
- system management
The general area of Information Technology (IT) that concerns configuring and managing computer resources, especially network resources.
- system resource
A tool used by either hardware to alert software of a need or by software to control a function of hardware. Hardware and software need a way to communicate with each other, and they do so by using a combination of four system resources: IRQ �� Hardware devices use the IRQ bus on a motherboard […]