Vmstat

vmstat
Developer(s)AT&T Bell Laboratories
Initial releaseFebruary 1985; 39 years ago (1985-02)
Operating systemUnix and Unix-like
TypeCommand

vmstat (virtual memory statistics) is a computer system monitoring tool that collects and displays summary information about operating system memory, processes, interrupts, paging and block I/O. Users of vmstat can specify a sampling interval which permits observing system activity in near-real time.

The vmstat tool is available on most Unix and Unix-like operating systems, such as FreeBSD, Linux or Solaris.