From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: /usr/bin/sg in Cygwin?
Date: Mon, 22 Apr 2024 10:46:48 +0200 [thread overview]
Message-ID: <ZiYj-L-RmT9ezjwg@calimero.vinschen.de> (raw)
In-Reply-To: <c772b67d-be50-5b75-1b2b-99d9f1c5a717@cs.umass.edu>
On Apr 21 21:35, Eliot Moss via Cygwin wrote:
> On 4/21/2024 7:20 PM, Dan Shelton via Cygwin wrote:
> > On Sat, 20 Apr 2024 at 07:39, Brian Inglis via Cygwin <cygwin@cygwin.com> wrote:
> > >
> > > On 2024-04-19 17:47, Dan Shelton via Cygwin wrote:
> > > > On Fri, 23 Feb 2024 at 22:25, Dan Shelton wrote:
> > > > > Is there a package which provides /usr/bin/sg (execute shell commands
> > > > > in a different group)?
> > >
> > > The POSIX standard command is newgrp - install cygwin-doc to see Cygwin (and
> > > newlib libc) man pages (and info, html, PDF docs), man-pages-posix to see POSIX
> > > man pages, and man-pages-linux if you want to see recent Linux release man pages.
> > >
> > > To see possibly relevant commands, run:
> > >
> > > $ apropos -s 1,1p group
> > > chgrp (1) - change group ownership
> > > chgrp (1p) - change the file group ownership
> > > chown (1) - change file owner and group
> > > g3topbm (1) - convert a Group 3 fax file into a PBM image
> > > groups (1) - print the groups a user is in
> > > id (1) - print real and effective user and group IDs
> > > make (1) - GNU Make utility to maintain groups of programs
> > > make (1p) - maintain, update, and regenerate groups of programs
> > > mkgroup (1) - Write /etc/group-like output to stdout
> > > newgrp (1) - change primary group for a command
> > > newgrp (1p) - change to a new group
> > > pbmtog3 (1) - convert a PBM image into a Group 3 MH fax file
> >
> > newgrp(1) is USELESS. It only opens an interactive shell, but does not
> > allow the user to execute a non-interactive script with the requested
> > group like bash -c does.
>
> ??
>
> The man pages has:
>
> newgrp [-] [group] [command [args...]]
>
> which implies to me that you can give a command.
>
> Did that not work for you? EM
WJFFM:
$ id
uid=1049577(corinna) gid=1049701(vinschen) groups=1049701(vinschen),545(Users),14(REMOTE INTERACTIVE LOGON),4(INTERACTIVE),11(Authenticated Users),15(This Organization),4095(CurrentSession),66048(LOCAL),1049089(Domain Users),70145(Authentication authority asserted identity),1049148(Denied RODC Password Replication Group),401408(Medium Mandatory Level)
$ newgrp Users id -g
545
Corinna
next prev parent reply other threads:[~2024-04-22 8:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-23 21:25 Dan Shelton
2024-04-19 23:47 ` Dan Shelton
2024-04-20 5:38 ` Brian Inglis
2024-04-21 23:20 ` Dan Shelton
2024-04-22 1:35 ` Eliot Moss
2024-04-22 8:46 ` Corinna Vinschen [this message]
2024-04-22 5:55 ` Cedric Blancher
2024-04-22 8:54 ` Corinna Vinschen
2024-04-22 5:35 ` Cedric Blancher
2024-04-22 17:40 ` Brian Inglis
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