diff options
author | 2021-05-09 14:20:58 -0400 | |
---|---|---|
committer | 2021-05-09 14:20:58 -0400 | |
commit | 5fd83771641d15c418f747bd343ba6738d3875f7 (patch) | |
tree | 5abf0f78f680d9837dbd93d4d4c3933bb7509599 /system_cmds/newgrp.tproj/newgrp.1 | |
download | apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.gz apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.zst apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.zip |
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
Diffstat (limited to 'system_cmds/newgrp.tproj/newgrp.1')
-rw-r--r-- | system_cmds/newgrp.tproj/newgrp.1 | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/system_cmds/newgrp.tproj/newgrp.1 b/system_cmds/newgrp.tproj/newgrp.1 new file mode 100644 index 0000000..af36e19 --- /dev/null +++ b/system_cmds/newgrp.tproj/newgrp.1 @@ -0,0 +1,95 @@ +.\" Copyright (c) 2002 Tim J. Robbins. +.\" 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. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. +.\" +.\" $FreeBSD: src/usr.bin/newgrp/newgrp.1,v 1.3 2005/01/17 07:44:25 ru Exp $ +.\" +.Dd May 23, 2002 +.Dt NEWGRP 1 +.Os +.Sh NAME +.Nm newgrp +.Nd change to a new group +.Sh SYNOPSIS +.Nm +.Op Fl l +.Op Ar group +.Sh DESCRIPTION +The +.Nm +utility creates a new shell execution environment with modified +real and effective group IDs. +.Pp +The options are as follows: +.Bl -tag -width indent +.It Fl l +Simulate a full login. +The environment and umask are set to what would be expected if the user +actually logged in again. +.El +.Pp +If the +.Ar group +operand is present, a new shell is started with the specified effective +and real group IDs. +The user will be prompted for a password if they are not a member of the +specified group. +.Pp +Otherwise, the real, effective and supplementary group IDs are restored to +those from the current user's password database entry. +.Sh EXIT STATUS +The +.Nm +utility attempts to start the shell regardless of whether group IDs +were successfully changed. +.Pp +If an error occurs and the shell cannot be started, +.Nm +exits >0. +Otherwise, the exit status of +.Nm +is the exit status of the shell. +.Sh SEE ALSO +.Xr csh 1 , +.Xr groups 1 , +.Xr login 1 , +.Xr sh 1 , +.Xr su 1 , +.Xr umask 1 , +.Xr group 5 , +.Xr passwd 5 , +.Xr environ 7 +.Sh STANDARDS +The +.Nm +utility conforms to +.St -p1003.1-2001 . +.Sh HISTORY +A +.Nm +utility appeared in +.At v6 . +.Sh BUGS +Group passwords are inherently insecure as there is no way to stop +users obtaining the crypted passwords from the group database. +Their use is discouraged. |