Q. How do I install sar command under FreeBSD to collect, report, or save system activity information? How can I setup freebsd accounting? A. . sar, sa1, sa2 and sadc commands are for SysV system such as Linux. You need to install a package called bsdsar under FreeBSD. It is a system activity reporter (SAR) for FreeBSD systems. It stores or shows information on network, cpu, memory, swap, and NFS