NFS Server Performance and Tuning Guide for Sun Hardware

Using /etc/system to Modify Kernel Variables

The /etc/system file is read by the operating system kernel at start-up. It configures the search path for loadable operating system kernel modules and enables kernel variables to be set. For more information, see the man page for system(4).

Caution - Caution -

Use the set commands in /etc/system carefully because the commands in /etc/system cause automatic patches of the kernel.

If your machine does not boot and you suspect a problem with /etc/system, use the boot -aoption. With this option, the system prompts (with defaults) for its boot parameters. One of these is the /etc/system configuration file. Either use the name of a backup copy of the original /etc/system file or /dev/null. Fix the file and immediately reboot the system to make sure it is operating correctly.