.TH PARTFS 8 .SH NAME partfs \- serve file, with partitions .SH SYNOPSIS .B disk/partfs [ .B -Dr ] [ .B -d .I diskname ] [ .B -m .I mtpt ] [ .B -s .I srvname ] .I diskimage .SH DESCRIPTION .I Partfs presents the file .I diskimage in the manner of .IR sd (3) on .IB mtpt / diskname (default .BR /dev/sdXX ). Changes made to the disk are written through to .I diskimage unless the .B -r option is given. .PP When setting disk geometry with the .B geometry control message, the arguments are sectors and sector size. .PP The .B -s option causes .I partfs to post its 9P service at .BI /srv/ service \fR. .SH EXAMPLES Partition a USB flash device: .IP .EX usb/disk disk/partfs /n/disk/0/data disk/mbr /dev/sdXX/data disk/fdisk -baw /dev/sdXX/data disk/prep /dev/sdXX/plan9 .EE .SH SOURCE .B /sys/src/cmd/disk/partfs.c .SH SEE ALSO .IR sd (3), .IR disksim (8), .IR prep (8)