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RDSETROOT(8) System Manager's Manual RDSETROOT(8)

rdsetrootinsert disk image into RAMDISK kernel

rdsetroot [-dx] kernel [disk.fs]

The rdsetroot utility inserts the file disk.fs into the reserved space inside a RAMDISK kernel. If disk.fs is not specified, rdsetroot reads from standard input.

The options are as follows:

Debug.
Rather than inserting, extract the disk.fs image. The disk can be made accessible using vnconfig(8), filesystems can be manipulated, and finally re-inserted into the RAMDISK kernel.

config(8), disklabel(8), vnconfig(8)

April 5, 2019 OpenBSD-current