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The file /etc/rc.conf contains values for Management Information Bases (MIBs) which are set during system startup. This file is used to configure system-wide settings, including the enabling and disabling of services, network settings, and other startup configurations2.

References:

• FreeBSD Handbook - The FreeBSD Booting Process

According to the BSD disklabel documentation1, the device name for a BSD disk slice consists of three parts: the disk name, the partition letter, and the slice number. The disk name is determined by the driver and the order of detection, and it usually follows the pattern of sdX, where X is a letter from a to z. The partition letter is a lowercase letter from a to p, excluding c, which is reserved for the whole disk. The slice number is a decimal number from 0 to 15, indicating the MBR partition that contains the BSD disklabel. Therefore, the device name for the first BSD disk slice in the disk label on the first partition on the second SATA disk on OpenBSD is /dev/sdlp2d, where sdl is the disk name, p is the partition letter, and 2 is the slice number.

References1: BSD disklabel - Wikipedia

The pgrep command is used to find processes by various criteria, such as user name, group name, process ID, command name, etc. The -u option specifies the user name or user ID to match. Therefore, the command pgrep -u bob will show all processes owned by the user bob. The output will be a list of process IDs, one per line. To show more information about the processes, such as command name, arguments, state, etc., the -l, -a, and -f options can be used. For example, the command pgrep -l -u bob will show the process ID and the command name for each process owned by bob. References:

• pgrep - FreeBSD, the manual page for the pgrep command on FreeBSD.
• How to use pgrep and pkill commands in Linux - Linuxize, a tutorial on how to use the pgrep and pkill commands in Linux.