Chart Your Course With sar

The sar (system activity reporter) is a Linux utility that actually started life long ago in System V Unix.

In spite of its ancient origins, sar is still quite useful, and has even been enhanced in recent versions of Linux.

The use of sar is not limited to root – any user can run sar and its utilities.  Most Linux systems have sar installed and enabled by default to collect sar data at 10 (more...)