2.6. Additional Resources
2.6. Additional Resources This section includes various resources that can be used to learn more about resource monitoring and the Red Hat Enterprise Linux-specific subject matter discussed in this chapter. 2.6.1. Installed Documentation The following resources are installed in the course of a typical Red Hat Enterprise Linux installation. free(1) man page -- Learn how to display free and used memory statistics. top(1) man page -- Learn how to display CPU utilization and process-level statistics. watch(1) man page -- Learn how to periodically execute a user-specified program, displaying fullscreen output. GNOME System Monitor Help menu entry -- Learn how to graphically display process, CPU, memory, and disk space utilization statistics. vmstat(8) man page -- Learn how to display a concise overview of process, memory, swap, I/O, system, and CPU utilization. iostat(1) man page -- Learn how to display CPU and I/O statistics. mpstat(1) man page -- Learn how to display individual CPU statistics on multiprocessor systems. sadc(8) man page -- Learn how to collects system utilization data. sa1(8) man page -- Learn about a script that runs sadc periodically. sar(1) man page -- Learn how to produce system resource utilization reports. sa2(8) man page -- Learn how to produce daily system resource utilization report files. nice(1) man page -- Learn how to change process scheduling priority. oprofile(1) man page -- Learn how to profile system performance. op_visualise(1) man page -- Learn how to graphically display OProfile data.