Polecenie vmstat
Wykonanie, użycie: System administration command. Print report on virtual memory statistics, including information on processes, memory, paging block I/O, traps, system and CPU usage. vmstat initially reports average values since the last system reboot. If given a sampling period interval in seconds, it prints additional statistics for each interval. If specified, vmstat exits when it has completed count reports. Otherwise, it continues until it receives a Ctrl-C, printing a new header line each time it fills the screen
Opcje wykonania vmstat
w konsoli
Display active and inactive memory.
Display disk statistics.
Display the number of forks since the system was booted.
Display the names and sizes of various kernel objects stored in a cache known as the slab layer. Also see the slabtop command.
Don't print new header lines when the screen is full.
Display detailed statistics for the specified partition.
Display various even counters and memory statistics.
Switch the output units. Possible values are k, K, m or M.
Print version number, then exit.
Przykłady vmstat działanie w Słownik polecenie V
- Przykład VMSTAT użycie :
- Jak użyć directory contents. Equivalent to ls -lb . By default, list the current directory. Directory entries are sorted alphabetically unless overridden by an option. vdir takes the same options as ls co znaczy.
- Przykład VMSTAT użycie :
- Jak użyć An enhanced version of the vi screen editor. Both vi and vim are covered in Chapter 9 krzyżówka.
- Przykład VMSTAT użycie :
- Jak użyć A screen-oriented text editor based on ex . vi is bi-modal, with a command mode and an insert mode. For more information on vi , see Chapter 9 co to jest.
- Przykład VMSTAT użycie :
- Jak użyć administration command. Set the video mode for a kernel image . If no arguments are specified, print current mode value. mode is a 1-byte value located at offset 506 in a kernel image. You may change słownik.
- Przykład VMSTAT użycie :
- Jak użyć Return the volume name for a device such as a CD-ROM that was formatted with an ISO-9660 filesystem. The default device file devfile is /dev/cdrom czym jest.