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'file system' > filesystem

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add FILES section.

PR:		34239
Submitted by:	Gary W. Swearingen <swear@blarg.net>
This commit is contained in:
Tom Rhodes 2002-05-06 17:53:50 +00:00
parent e746d950ab
commit 32d4653993
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=96119
1 changed files with 18 additions and 12 deletions
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30
sbin/tunefs/tunefs.8
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@ -37,7 +37,7 @@
.Os
.Sh NAME
.Nm tunefs
.Nd tune up an existing file system
.Nd tune up an existing filesystem
.Sh SYNOPSIS
.Nm
.Op Fl A
@ -55,13 +55,13 @@
.Ar special | Ar filesystem
.Sh DESCRIPTION
.Nm Tunefs
is designed to change the dynamic parameters of a file system
is designed to change the dynamic parameters of a filesystem
which affect the layout policies.
The parameters which are to be changed are indicated by the flags
given below:
.Bl -tag -width indent
.It Fl A
The file system has several backups of the super-block. Specifying
The filesystem has several backups of the super-block. Specifying
this option will cause all backups to be modified as well as the
primary super-block. This is potentially dangerous - use with caution.
.It Fl a Ar maxcontig
@ -92,7 +92,7 @@ in that cylinder group.
The effect of this limit is to cause big files to do long seeks
more frequently than if they were allowed to allocate all the blocks
in a cylinder group before seeking elsewhere.
For file systems with exclusively large files,
For filesystems with exclusively large files,
this parameter should be set higher.
.It Fl f Ar avgfilezsize
Specify the expected average file size.
@ -121,16 +121,16 @@ been deleted to get under the higher threshold.
Turn on/off soft updates.
An unmounted filesystem is required.
.It Fl o Ar space | time
The file system can either try to minimize the time spent
The filesystem can either try to minimize the time spent
allocating blocks, or it can attempt to minimize the space
fragmentation on the disk.
Optimization for space has much
higher overhead for file writes.
The kernel normally changes the preference automatically as
the percent fragmentation changes on the file system.
the percent fragmentation changes on the filesystem.
.It Fl p
Show a summary of what the current tunable settings
are on the selected file system. More detailed information can be
are on the selected filesystem. More detailed information can be
obtained in the
.Xr dumpfs 8
manual page.
@ -139,6 +139,12 @@ Specify the expected number of files per directory.
.El
.Pp
At least one of the above flags is required.
.Sh FILES
.Bl -tag -width /etc/fstab -compact
.It Pa /etc/fstab
read this to determine the device file for a
specified mount point.
.El
.Sh SEE ALSO
.Xr fs 5 ,
.Xr dumpfs 8 ,
@ -156,16 +162,16 @@ At least one of the above flags is required.
.%O "(reprinted in the BSD System Manager's Manual, SMM:5)"
.Re
.Sh BUGS
This program should work on mounted and active file systems.
This program should work on mounted and active filesystems.
Because the super-block is not kept in the buffer cache,
the changes will only take effect if the program
is run on dismounted file systems.
To change the root file system, the system must be rebooted
after the file system is tuned.
is run on dismounted filesystems.
To change the root filesystem, the system must be rebooted
after the filesystem is tuned.
.\" Take this out and a Unix Demon will dog your steps from now until
.\" the time_t's wrap around.
.Pp
You can tune a file system, but you can't tune a fish.
You can tune a filesystem, but you can't tune a fish.
.Sh HISTORY
The
.Nm