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-rw-r--r--bin/df/df.113
1 files changed, 12 insertions, 1 deletions
diff --git a/bin/df/df.1 b/bin/df/df.1
index 64e471fedc42..aa35318c2c65 100644
--- a/bin/df/df.1
+++ b/bin/df/df.1
@@ -29,7 +29,7 @@
.\" @(#)df.1 8.3 (Berkeley) 5/8/95
.\" $FreeBSD$
.\"
-.Dd March 11, 2022
+.Dd March 29, 2023
.Dt DF 1
.Os
.Sh NAME
@@ -246,6 +246,17 @@ $ df -h /dev/ada1p2
Filesystem Size Used Avail Capacity Mounted on
/dev/ada1p2 213G 152G 44G 78% /
.Ed
+.Sh NOTES
+For non-Unix file systems, the reported values of used and free inodes
+may have a different meaning than that of used and available files and
+directories.
+An example is msdosfs, which in the case of FAT12 or FAT16 file systems
+reports the number of available and free root directory entries instead
+of inodes
+.Po
+where 1 to 21 such directory entries are required to store
+each file or directory name or disk label
+.Pc .
.Sh SEE ALSO
.Xr lsvfs 1 ,
.Xr quota 1 ,