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Random man page:
sa2(1m) -- system activity report package
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System activity data can be accessed at the special request of a user (see sar(1M)) and automatically on a routine basis as described here. The operating system contains a number of counters that are incremented as various system actions occur. These include CPU utilization counters, buffer usage counters, disk and tape I/O activity counters, tty device activity counters, switching and system-call... |
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