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newfs_msdos.8: example for specific cluster size

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The usual use case in 2024 for newfs_msdosfs is creating filesystems on SD cards
for older hardware. In most tutorials, they call the cluster size "allocation
size". Therefore, add a small note next to cluster size that it is also called
allocation size, and add an example for how to do this.

Reviewed by:	jhb
Pull Request:	https://github.com/freebsd/freebsd-src/pull/1045

(cherry picked from commit c8bf9f09ee)
This commit is contained in:
Alexander Ziaee 2024-01-12 17:12:48 -05:00 committed by John Baldwin
parent c680577ec9
commit 975afd9c44
1 changed files with 8 additions and 2 deletions
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sbin/newfs_msdos/newfs_msdos.8
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@ -23,7 +23,7 @@
.\" OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
.\" IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd June 14, 2018
.Dd January 12, 2024
.Dt NEWFS_MSDOS 8
.Os
.Sh NAME
@ -134,7 +134,7 @@ File system block size (bytes per cluster).
This should resolve to an
acceptable number of sectors per cluster (see below).
.It Fl c Ar cluster-size
Sectors per cluster.
Sectors per cluster, also called allocation size.
Acceptable values are powers of 2 in the range
1 through 128.
If the block or cluster size are not specified, the code
@ -224,6 +224,12 @@ Create a file system, using default parameters, on
newfs_msdos /dev/ada0s1
.Ed
.Pp
Create a FAT32 filesystem with a 32K allocation size on
.Pa /dev/mmcsd0s1 :
.Bd -literal -offset indent
newfs_msdos -F 32 -A -c 64 /dev/mmcsd0s1
.Ed
.Pp
Create a standard 1.44M file system, with volume label
.Ar foo ,
on