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Command: dumpfs | Section: 8 | Source: Digital UNIX | File: dumpfs.8.gz
dumpfs(8) System Manager's Manual dumpfs(8)
NAME
dumpfs - Dump UFS file system information
SYNOPSIS
/usr/sbin/dumpfs filesystem ... | device
DESCRIPTION
The dumpfs command prints out the super block and cylinder group infor-
mation for the specified UFS file system(s) or special device. The
listing is very long and detailed. This command is useful for getting
information about the file system block size and minimum free space
percentage, for example. If the file system is mounted, you must spec-
ify the raw device. The following is an example of the entries in an
/etc/fstab file:
/dev/rz8a / ufs rw 1 1
/dev/rz8g / ufs rw 1 2
/dev/rz8b / ufs sw 1 2
To see the information on the /usr file system (which is mounted), en-
ter the following command:
dumpfs /dev/rrz8g
The dumpfs command does not report information on the AdvFS file sys-
tem.
FILES
Specifies the command path.
RELATED INFORMATION
Commands: fsck(8), newfs(8), tunefs(8)
Files: disktab(4) delim off
dumpfs(8)