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diff --git a/usr.bin/du/du.1 b/usr.bin/du/du.1 new file mode 100644 index 0000000..4ecce8e --- /dev/null +++ b/usr.bin/du/du.1 @@ -0,0 +1,117 @@ +.\" Copyright (c) 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)du.1 8.2 (Berkeley) 4/1/94 +.\" +.Dd April 1, 1994 +.Dt DU 1 +.Os +.Sh NAME +.Nm du +.Nd display disk usage statistics +.Sh SYNOPSIS +.Nm du +.Op Fl H | Fl L | Fl P +.Op Fl a | Fl s +.Op Fl x +.Op Ar file ... +.Sh DESCRIPTION +The +.Nm du +utility displays the file system block usage for each file argument +and for each directory in the file hierarchy rooted in each directory +argument. +If no file is specified, the block usage of the hierarchy rooted in +the current directory is displayed. +The number of blocks are in the same units as that returned by the +.Xr stat 2 +system call, i.e. 512-byte blocks. +Partial numbers of blocks are rounded up. +.Pp +The options are as follows: +.Bl -tag -width Ds +.It Fl H +Symbolic links on the command line are followed. +(Symbolic links encountered in the tree traversal are not followed.) +.It Fl L +All symbolic links are followed. +.It Fl P +No symbolic links are followed. +.It Fl a +Display an entry for each file in the file hierarchy. +.It Fl s +Display only the grand total for the specified files. +.It Fl x +Filesystem mount points are not traversed. +.El +.Pp +.Nm Du +counts the storage used by symbolic links and not the files they +reference unless the +.Fl H +or +.Fl L +option is specified. +If either the +.Fl H +or +.Fl L +options are specified, storage used by any symbolic links which are +followed is not counted or displayed. +The +.Fl H , +.Fl L +and +.Fl P +options override each other and the command's actions are determined +by the last one specified. +.Pp +Files having multiple hard links are counted (and displayed) a single +time per +.Nm du +execution. +.Sh ENVIRONMENTAL VARIABLES +.Bl -tag -width BLOCKSIZE +.It Ev BLOCKSIZE +If the environmental variable +.Ev BLOCKSIZE +is set, the block counts will be displayed in units of that size block. +.El +.Sh SEE ALSO +.Xr df 1 , +.Xr fts 3 , +.Xr symlink 7 , +.Xr quot 8 +.Sh HISTORY +A +.Nm du +command appeared in +.At v6 . |