1.\" Copyright (c) 1989, 1990 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" %sccs.include.redist.roff% 5.\" 6.\" @(#)df.1 6.9 (Berkeley) 06/17/91 7.\" 8.Dd 9.Dt DF 1 10.Os BSD 4 11.Sh NAME 12.Nm df 13.Nd display free disk space 14.Sh SYNOPSIS 15.Nm df 16.Op Fl ikn 17.Op Ar file | Ar filesystem ... 18.Sh DESCRIPTION 19.Nm Df 20displays statistics about the amount of free disk space on the specified 21.Ar filesystem 22or on the filesystem of which 23.Ar file 24is a part. 25If neither a file or a filesystem operand is specified, 26statistics for all mounted filesystems are displayed. 27.Pp 28The following options are available: 29.Bl -tag -width Ds 30.It Fl i 31Include statistics on the number of free inodes. 32.It Fl k 33By default, all sizes are reported in 512-byte block counts. 34The 35.Fl k 36option causes the numbers to be reported in kilobyte counts. 37.It Fl n 38Print out the previously obtained statistics from the filesystems. 39This option should be used if it is possible that one or more 40filesystems are in a state such that they will not be able to provide 41statistics without a long delay. 42When this option is specified, 43.Nm df 44will not request new statistics from the filesystems, but will respond 45with the possibly stale statistics that were previously obtained. 46.El 47.Sh BUGS 48The 49.Fl n 50flag is ignored if a file or filesystem is specified. 51.Sh SEE ALSO 52.Xr quota 1 , 53.Xr statfs 2 , 54.Xr fstatfs 2 , 55.Xr getfsstat 2 , 56.Xr getmntinfo 3 , 57.Xr fstab 5 , 58.Xr mount 8 , 59.Xr quot 8 60.Sh HISTORY 61A 62.Nm df 63command appeared in 64.At v6 . 65