diff options
| -rw-r--r-- | bin/df/df.1 | 49 |
1 files changed, 28 insertions, 21 deletions
diff --git a/bin/df/df.1 b/bin/df/df.1 index dad276a..964ce8d 100644 --- a/bin/df/df.1 +++ b/bin/df/df.1 @@ -30,7 +30,7 @@ .\" SUCH DAMAGE. .\" .\" @(#)df.1 8.3 (Berkeley) 5/8/95 -.\" $Id$ +.\" $Id: df.1,v 1.9 1997/02/22 14:02:56 peter Exp $ .\" .Dd May 8, 1995 .Dt DF 1 @@ -40,7 +40,7 @@ .Nd display free disk space .Sh SYNOPSIS .Nm df -.Op Fl ink +.Op Fl ikn .Op Fl t Ar type .Op Ar file | Ar filesystem ... .Sh DESCRIPTION @@ -77,24 +77,30 @@ will not request new statistics from the filesystems, but will respond with the possibly stale statistics that were previously obtained. .It Fl t Only print out statistics for filesystems of the specified types. -The recognized types are: -ufs, nfs, mfs, lfs, msdos, fdesc, portal, kernfs, procfs, afs, isofs, -iso9660fs, cdfs, and cd9660, -along with the aggregates: -all (the default), -local (ufs, mfs, lfs, msdos, cd9660), -and misc (fdesc, portal, kernfs, procfs). -The names isofs, iso9660fs, cdfs, and cd9660 are aliases to each other -all of them refering to the same type of file system. -The string ``no'' may be prepended to a type to get its complement -(e.g. ``nonfs'' to get non-NFS filesystems). The first -.Fl t -option overrides the default, additional such options will add to -(or subtract from) the current set of types; e.g. either -``df -t ufs -t lfs'' -or -``df -t local -t nomfs'' -will display statistics for UFS and LFS filesystems. +More than one type may be specified in a comma separated list. +The list of filesystem types can be prefixed with +.Dq no +to specify the filesystem types for which action should +.Em not +be taken. +For example, the +.Nm df +command: +.Bd -literal -offset indent +df -t nonfs,mfs +.Ed +.Pp +lists all filesystems except those of type +.Tn NFS +and +.Tn MFS . +The +.Xr sysctl 8 +command can be used to find out the types of filesystems +that are available on the system: +.Bd -literal -offset indent +sysctl vfs +.Ed .El .Sh ENVIRONMENT VARIABLES .Bl -tag -width BLOCKSIZE @@ -117,7 +123,8 @@ flags are ignored if a file or filesystem is specified. .Xr getmntinfo 3 , .Xr fstab 5 , .Xr mount 8 , -.Xr quot 8 +.Xr quot 8 , +.Xr sysctl 8 .Sh HISTORY A .Nm df |
