An individual responsible for maintaining a multi-user computer system, including a local-area network (LAN). Typical duties include:
Adding and configuring new workstations
Setting up user accounts
Installing system-wide software
Performing procedures to prevent the spread of viruses
Allocating mass storage space
The system administrator is sometimes called the sysadmin or the systems administrator. Small organizations may have just one system administrator, whereas larger enterprises usually have a whole team of system administrators.
- system bus
The bus that connects the CPU to main memory on the motherboard. I/O buses, which connect the CPU with the systems other components, branch off of the system bus. The system bus is also called the frontside bus, memory bus, local bus, or host bus.
- 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.
- 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.