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 6.7 (Berkeley) 07/24/90 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. 28.Pp 29The following options are available: 30.Tw Ds 31.Tp Fl i 32Include statistics on the number of free inodes. 33.Tp Fl k 34By default, all reported numbers are in 512-byte blocks. 35This causes the numbers to be reported in kilobytes. 36.Tp Fl n 37Print out the previously obtained statistics from the filesystems. 38This option should be used 39if it is possible that one or more filesystems are 40in a state such that they will not be able 41to provide statistics without a long delay. 42When this option is specified, 43.Nm df 44will not request new statistics from the filesystems, 45but will respond with the possibly stale statistics 46that were previously obtained. 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 Version 6 AT&T Unix as 64df(8) and in Version 7 AT&T Unix as df(1m). 65.\" Just for posterity and perspective, the date on the Version 6 66.\" release manual page was 1/20/73. 67