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.\" $Id: newgrp.1,v 1.8 2003/04/26 13:24:15 kloczek Exp $
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.\" {PTM/WK/1999-09-15}
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.\" Copyright 1991, Julianne Frances Haugh
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of Julianne F. Haugh nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL JULIE HAUGH OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.TH NEWGRP 1
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.SH NAZWA
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newgrp \- zalogowanie do nowej grupy
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.br
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sg \- wykonanie polecenia z innym ID grupy
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.SH SK<EFBFBD>ADNIA
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\fBnewgrp\fR [\fB-\fR] [\fIgrupa\fR]
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.br
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\fBsg\fR [\fB-\fR] [\fIgrupa\fR [[\fB-c\fR] \fIpolecenie\fR]]
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.SH OPIS
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.B newgrp
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s<EFBFBD>u<EFBFBD>y do zmiany bie<69><65>cego identyfikatora grupy (GID) podczas sesji.
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W przypadku podania opcji \fB\-\fR <20>rodowisko u<>ytkownika zostanie
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ponownie zainicjowane, tak jak w<>wczas, gdy u<>ytkownik si<73> loguje. Je<4A>eli
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opcja \fB\-\fR nie zostanie u<>yta, to bie<69><65>ce <20>rodowisko, <20><>cznie z bie<69><65>cym
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katalogiem roboczym, pozostaje niezmienione.
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.PP
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\fBnewgrp\fR zmienia bie<69><65>cy rzeczywisty identyfikator grupy na identyfikator
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podanej grupy lub, je<6A>li nie podano nazwy grupy, na identyfikator grupy
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domy<EFBFBD>lnej, wyszczeg<65>lnionej w \fI/etc/passwd\fR. Je<4A>eli grupa posiada has<61>o,
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za<EFBFBD> u<>ytkownik nie ma has<61>a b<>d<EFBFBD> nie jest jej cz<63>onkiem, to zostanie poproszony
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2007-10-07 17:14:51 +05:30
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o podanie has<61>a. Je<4A>eli has<61>o grupy jest puste za<7A> u<>ytkownik nie jest jej
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cz<EFBFBD>onkiem, to efektem b<>dzie odmowa dost<73>pu.
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.PP
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Polecenie fBsg\fR dzia<69>a podobnie do \fBnewgrp\fR, z tym <20>e mo<6D>na mu poda<64>
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polecenie. Podane polecenie zostanie wykonane przy u<>yciu pow<6F>oki Bourne'a.
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W przypadku wi<77>kszo<7A>ci pow<6F>ok, z kt<6B>rych \fBsg\fR mo<6D>e zosta<74> uruchomione,
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polecenie sk<73>adaj<61>ce si<73> z wielu s<><73>w nale<6C>y umie<69>ci<63> w cudzys<79>owach.
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Inna r<><72>nica pomi<6D>dzy \fBnewgrp\fR a \fBsg\fR polega na tym, <20>e niekt<6B>re
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pow<EFBFBD>oki traktuj<75> \fBnewgrp\fR w spos<6F>b specjalny, zast<73>puj<75>c siebie przez
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now<EFBFBD> kopi<70> pow<6F>oki, kt<6B>r<EFBFBD> tworzy \fBnewgrp\fR. Nie zdarza si<73> to w przypadku
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\fBsg\fR, wi<77>c po zako<6B>czeniu \fBsg\fR u<>ytkownik powraca do swego
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poprzedniego identyfikatora grupy.
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.SH PLIKI
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\fI/etc/passwd\fR \- informacja o kontach u<>ytkownik<69>w
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.br
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\fI/etc/group\fR \- informacja o grupach
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.SH ZOBACZ TAK<EFBFBD>E
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.BR id (1),
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.BR login (1),
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.BR su (1)
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.SH AUTOR
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2007-10-07 17:15:14 +05:30
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Julianne Frances Haugh <jockgrrl@ix.netcom.com>
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