1.\" Copyright (c) 1989, 1990 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" %sccs.include.redist.man% 5.\" 6.\" @(#)df.1 6.6 (Berkeley) 06/24/90 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 Li \&| Ar filesystem \&... 18.Sh DESCRIPTION 19.Nm Df 20displays statistics about the amount of free disk space on the 21filesystem 22.Ar filesystem 23or on the filesystem of which 24.Ar file 25is a part. 26If neither a file or a filesystem argument is given, 27statistics for every filesystem mounted is displayed. 28The following options are available: 29.Tp Fl i 30Include statistics on the number of free inodes. 31.Tp Fl k 32By default, all reported numbers are in 512-byte blocks. 33This causes the numbers to be reported in kilobytes. 34.Tp Fl n 35Print out the previously obtained statistics from the filesystems. 36This option should be used 37if it is possible that one or more filesystems are 38in a state such that they will not be able 39to provide statistics without a long delay. 40When this option is specified, 41.Nm df 42will not request new statistics from the filesystems, 43but will respond with the possibly stale statistics 44that were previously obtained. 45.Sh BUGS 46The 47.Fl n 48flag is ignored if a file or filesystem is specified. 49.Sh SEE ALSO 50.Xr quota 1 , 51.Xr statfs 2 , 52.Xr fstatfs 2 , 53.Xr getfsstat 2 , 54.Xr getmntinfo 3 , 55.Xr fstab 5 , 56.Xr mount 8 , 57.Xr quot 8 58.Sh HISTORY 59A 60.Nm df 61command appeared in Version 6 AT&T Unix as 62df(8) and in Version 7 AT&T Unix as df(1m). 63.\" Just for posterity and perspective, the date on the Version 6 64.\" release manual page was 1/20/73. 65