This file provides a list of all mounts in use by the system:rootfs / rootfs rw 0 0 /proc /proc proc rw,nodiratime 0 0 none /dev ramfsrw 0 0 /dev/mapper/VolGroup00-LogVol00 / ext3 rw 0 0 none /dev ramfs rw 0 0/proc /proc proc rw,nodiratime 0 0 /sys /sys sysfs rw 0 0 none /dev/ptsdevpts rw 0 0 usbdevfs /proc/bus/usb usbdevfs rw 0 0 /dev/hda1 /boot ext3 rw0 0 none /dev/shm tmpfs rw 0 0 none /proc/sys/fs/binfmt_misc binfmt_misc rw0 0 sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0The output found here is similar to the contents of /etc/mtab, except that /proc/mount is moreup-to-date.The first column specifies the device that is mounted, the second column reveals the mountpoint, and the third column tells the file system type, and the fourth column tells you if it ismounted read-only (ro) or read-write (rw). The fifth and sixth columns are dummy valuesdesigned to match the format used in /etc/mtab.2.23. /proc/mtrrThis file refers to the current Memory Type Range Registers (MTRRs) in use with the system. Ifthe system architecture supports MTRRs, then the /proc/mtrr file may look similar to thefollowing:reg00: base=0x00000000 ( 0MB), size= 256MB: write-back, count=1 reg01:base=0xe8000000 (3712MB), size= 32MB: write-combining, count=1MTRRs are used with the Intel P6 family of processors (Pentium II and higher) and controlprocessor access to memory ranges. When using a video card on a PCI or AGP bus, a properlyconfigured /proc/mtrr file can increase performance more than 150%.Most of the time, this value is properly configured by default. More information on manuallyconfiguring this file can be found locally at the following location:/usr/share/doc/kernel-doc-/Documentation/mtrr.txt2.24. /proc/partitionsThis file contains partition block allocation information. A sampling of this file from a basicsystem looks similar to the following:major minor #blocks name 3 0 19531250 hda 3 1 104391 hda1 3 2 19422585 hda2253 0 22708224 dm-0 253 1 524288 dm-1Most of the information here is of little importance to the user, except for the following columns:/proc/mtrr61
