sysstat v1.1 package contains the ‘sar’ and ‘iostat’ commands for Linux. The sar command collects and reports system activity information. This information can also be saved in a system activity file for future inspection. The iostat command reports CPU statistics and I/O statistics for tty devices and disks.
You can download it from the following link: https://packetstormsecurity.com/files/download/13355/sysstat-1.1.tar.gz
Source: https://packetstormsecurity.com/files/13355/sysstat-1.1.tar.gz.html