Import macOS userland

adv_cmds-176
basic_cmds-55
bootstrap_cmds-116.100.1
developer_cmds-66
diskdev_cmds-667.40.1
doc_cmds-53.60.1
file_cmds-321.40.3
mail_cmds-35
misc_cmds-34
network_cmds-606.40.1
patch_cmds-17
remote_cmds-63
shell_cmds-216.60.1
system_cmds-880.60.2
text_cmds-106

1 files changed, 184 insertions, 0 deletions

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+.\" Copyright (c) 1983, 1990, 1993, 2002
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" This code is derived from software contributed to Berkeley by
+.\" Robert Elz at The University of Melbourne.
+.\"
+.\" 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.
+.\"
+.\"	@(#)edquota.8	8.2 (Berkeley) 4/27/95
+.\"
+.Dd "March 28, 2002"
+.Dt EDQUOTA 8
+.Os
+.Sh NAME
+.Nm edquota
+.Nd edit user quotas
+.Sh SYNOPSIS
+.Nm edquota
+.Op Fl u
+.Op Fl p Ar proto-username
+.Ar username ...
+.Nm edquota
+.Fl g
+.Op Fl p Ar proto-groupname
+.Ar groupname ...
+.Nm edquota
+.Fl t
+.Op Fl u
+.Nm edquota
+.Fl t
+.Fl g
+.Sh DESCRIPTION
+.Nm Edquota
+is a quota editor.  
+By default, or if the 
+.Fl u
+flag is specified,
+one or more users may be specified on the command line.
+For each user a temporary file is created
+with an ASCII representation of the current
+disk quotas for that user.
+The list of filesystems with user quotas is determined by
+scanning the mounted filesystems for a
+.Pa .quota.ops.user
+file located at its root.
+An editor is invoked on the ASCII file.
+The editor invoked is 
+.Xr vi 1
+unless the environment variable 
+.Ev EDITOR 
+specifies otherwise.
+.Pp
+The quotas may then be modified, new quotas added, etc.
+Setting a quota to zero indicates that no quota should be imposed.
+Setting a hard limit to one indicates that no allocations should
+be permitted.
+Setting a soft limit to one with a hard limit of zero
+indicates that allocations should be permitted on
+only a temporary basis (see 
+.Fl t 
+below).
+The current usage information in the file is for informational purposes;
+only the hard and soft limits can be changed.
+.Pp
+On leaving the editor,
+.Nm edquota
+reads the temporary file and modifies the binary
+quota files to reflect the changes made.
+The binary quota file,
+.Pa .quota.user
+is stored at the root of the filesystem.
+The default filename and root location for the user
+quotas cannot be overridden.
+.Pp
+If the 
+.Fl p
+flag is specified,
+.Nm edquota
+will duplicate the quotas of the prototypical user
+specified for each user specified.
+This is the normal mechanism used to
+initialize quotas for groups of users.
+.Pp
+If the 
+.Fl g 
+flag is specified,
+.Nm edquota
+is invoked to edit the quotas of
+one or more groups specified on the command line.
+The list of filesystems with group quotas is determined by
+scanning the mounted filesystems for a
+.Pa .quota.ops.group
+file located at its root.
+Similarly, the binary quota file,
+.Pa .quota.group
+is stored at the root of the filesystem.
+The default filename and root location for group
+quotas cannot be overridden.
+The 
+.Fl p 
+flag can be specified in conjunction with
+the 
+.Fl g 
+flag to specify a prototypical group
+to be duplicated among the listed set of groups.
+.Pp
+Users are permitted to exceed their soft limits
+for a grace period that may be specified per filesystem.
+Once the grace period has expired,
+the soft limit is enforced as a hard limit.
+The default grace period for a filesystem is specified in
+.Pa /usr/include/sys/quota.h .
+The 
+.Fl t
+flag can be used to change the grace period.
+By default, or when invoked with the 
+.Fl u
+flag, the grace period is set for each filesystem with a
+.Pa .quota.ops.user
+file located at its root.
+When invoked with the 
+.Fl g
+flag, the grace period is
+set for each filesystem with a
+.Pa .quota.ops.group
+file located at its root.
+The grace period may be specified in days, hours, minutes, or seconds.
+Setting a grace period to zero indicates that the default
+grace period should be imposed.
+Setting a grace period to one second indicates that no
+grace period should be granted.
+.Pp
+Only the super-user may edit quotas.
+.Sh FILES
+Each of the following quota files is located at the root of the
+mounted filesystem.  The mount option files are empty files
+whose existence indicates that quotas are to be enabled
+for that filesystem.  The binary data files will be
+created by edquota, if they don't already exist.
+.Pp
+.Bl -tag -width .quota.ops.group -compact
+.It Pa .quota.user
+data file containing user quotas
+.It Pa .quota.group
+data file containing group quotas
+.It Pa .quota.ops.user
+mount option file used to enable user quotas
+.It Pa .quota.ops.group
+mount option file used to enable group quotas
+.El
+.Sh SEE ALSO
+.Xr quota 1 ,
+.Xr quotactl 2 ,
+.Xr quotacheck 8 ,
+.Xr quotaon 8 ,
+.Xr repquota 8
+.Sh DIAGNOSTICS
+Various messages about inaccessible files; self-explanatory.