2007-10-07 17:16:07 +05:30
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.\" Copyright 1989 \- 1994, Julianne Frances Haugh
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2007-10-07 17:15:31 +05:30
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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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.\"
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2007-10-07 17:16:07 +05:30
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.\" $Id: login.1,v 1.6 2005/04/05 19:08:54 kloczek Exp $
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2007-10-07 17:15:31 +05:30
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.\"
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.TH LOGIN 1
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.SH N<EFBFBD>V
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login \- <20>j kapcsolat felv<6C>tele a rendszerrel (bejelentkez<65>s)
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.SH <EFBFBD>TTEKINT<EFBFBD>S
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.B login
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.RI [ felhaszn<EFBFBD>l<EFBFBD>n<EFBFBD>v " [" k<EFBFBD>rnyezeti v<EFBFBD>ltoz<EFBFBD>k ]]
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.SH LE<EFBFBD>R<EFBFBD>S
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A
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.B login
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programot a rendszerbe val<61> bel<65>p<EFBFBD>sre haszn<7A>ljuk. <20>ltal<61>ban nem
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k<EFBFBD>zvetlen<EFBFBD>l haszn<7A>ljuk, hanem automatikusan megh<67>v<EFBFBD>sra ker<65>l, amikor a
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.I login:
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promptra v<>laszk<7A>nt be<62>rjuk a felhaszn<7A>l<EFBFBD>nev<65>nket.
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A
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.B login
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a shell szempontj<74>b<EFBFBD>l k<>l<EFBFBD>nleges kezel<65>s<EFBFBD> lehet <20>s el<65>fordulhat, hogy
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nem h<>vhat<61> meg alfolyamatk<74>nt. Tipikus p<>lda erre, amikor a
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.B login
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parancsot a shell \fBexec login\fR \-k<EFBFBD>nt <20>rtelmezi, teh<65>t az <20>j
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bejelentkez<EFBFBD>s el<65>tt az aktu<74>lisb<73>l val<61> kil<69>p<EFBFBD>sre k<>szteti a
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felhaszn<EFBFBD>l<EFBFBD>t.
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Ha nem login shellb<6C>l pr<70>b<EFBFBD>ljuk meg a \fBlogin\fR parancsot v<>grehajtani,
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hiba<EFBFBD>zenetet kapunk.
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.PP
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Ezut<EFBFBD>n a jelszavunkat kell megadnunk. A be<62>rt karakterek nem jelennek meg
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a k<>perny<6E>n, megel<65>zv<7A>n a 'leskel<65>d<EFBFBD>st'. Ha t<>bbsz<73>r hib<69>s jelsz<73>t adunk
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meg, a \fBlogin\fR kil<69>p, <20>s a kapcsolat megszakad.
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.PP
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Ha a jelszavunk <20>rv<72>nyess<73>gi ideje korl<72>tozott, a rendszer tov<6F>bbl<62>p<EFBFBD>s
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el<EFBFBD>tt felsz<73>l<EFBFBD>that a jelsz<73> megv<67>ltoztat<61>s<EFBFBD>ra. Ez azt jelenti, hogy a
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jelszavunk lej<65>rt, nem <20>rv<72>nyes, vagy hamarosan le fog j<>rni. A r<>gi
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jelszavunkat is esetleg meg kell adni ellen<65>rz<72>sk<73>ppen, majd az <20>ltalunk
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v<EFBFBD>lasztott <20>j jelsz<73>t. A t<>m<EFBFBD>ban l<>sd: \fBpasswd \fR(1)
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.PP
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Sikeres bejelentkez<65>s ut<75>n n<>h<EFBFBD>ny rendszer<65>zenetet kapunk, <20>s a postal<61>d<EFBFBD>nk
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<EFBFBD>llapot<EFBFBD>r<EFBFBD>l n<>mi visszajelsz<73>st. A rendszer<65>zenetf<74>jl (\fI/etc/motd\fR)
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ki<EFBFBD>rat<EFBFBD>s<EFBFBD>t letilthatjuk egy 0 byte hossz<73>s<EFBFBD>g<EFBFBD> \fI.hushlogin\fR file
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l<EFBFBD>trehoz<EFBFBD>s<EFBFBD>val a login k<>nyvt<76>runkban. A posta <20>llapot<6F>t<EFBFBD>l f<>gg<67>en a
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k<EFBFBD>vetkez<EFBFBD> <20>zenetek valamelyik<69>t kapjuk: "\fBYou have new mail.\fR" (<28>j
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lev<EFBFBD>l van), "\fBYou have mail.\fR" (Lev<65>l van), vagy "\fBNo Mail.\fR"
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(Nincs lev<65>l).
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.PP
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A felhaszn<7A>l<EFBFBD>i\- (UID) <20>s a csoportazonos<6F>t<EFBFBD>nk (GID) be<62>ll<6C>t<EFBFBD>sra ker<65>l az
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\fI/etc/passwd\fR alapj<70>n. A \fB$HOME\fR, \fB$SHELL\fR,
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\fB$PATH\fR, \fB$LOGNAME\fR <20>s a \fB$MAIL\fR k<>rnyezeti v<>ltoz<6F>k
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be<EFBFBD>ll<EFBFBD>t<EFBFBD>sra ker<65>lnek a passwd adatb<74>zis megfelel<65> mez<65>i alapj<70>n.
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Az ulimit, umask <20>s a nice is <20>rt<72>ket kaphat a GECOS mez<65> tartalma
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alapj<EFBFBD>n.
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.PP
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N<EFBFBD>h<EFBFBD>ny rendszeren a \fB$TERM\fR v<>ltoz<6F> is <20>rt<72>ket kap, mik<69>nt az a
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\fI/etc/ttytype\fR\-ban meg van <20>rva.
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.PP
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V<EFBFBD>grehajt<EFBFBD>dhat a parancs<63>rtelmez<65>nk inicializ<69>ci<63>s scriptje is. Ez <20>gyben
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l<EFBFBD>sd a megfelel<65> k<>zik<69>nyv\-oldalt.
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.SH FIGYELMEZTET<EFBFBD>SEK
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.PP
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A \fBlogin\fR ezen verzi<7A>ja sok ford<72>t<EFBFBD>si opci<63>val rendelkezik, b<>r csak
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n<EFBFBD>h<EFBFBD>ny k<>z<EFBFBD>l<EFBFBD>k az, ami haszn<7A>latban lehet egyes speci<63>lis g<>peken.
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.PP
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A f<>jlok elhelyezked<65>se a rendszerkonfigur<75>ci<63>k k<>l<EFBFBD>nb<6E>z<EFBFBD>s<EFBFBD>g<EFBFBD>b<EFBFBD>l ad<61>d<EFBFBD>an
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v<EFBFBD>ltozhat.
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.SH F<EFBFBD>JLOK
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\fI/var/run/utmp\fR \- az aktu<74>lis bejelentkez<65>sek list<73>ja
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.br
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\fI/var/log/wtmp\fR \- az el<65>z<EFBFBD> (eddigi) bejelentkez<65>sek list<73>ja
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.br
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\fI/etc/passwd\fR \- felhaszn<7A>l<EFBFBD>i account\-okra vonatkoz<6F> inform<72>ci<63>k
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.br
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\fI/etc/shadow\fR \- titkos<6F>tott jelszavak <20>s <20>rv<72>nyess<73>gi id<69>\-inform<EFBFBD>ci<EFBFBD>k
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.br
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\fI/etc/motd\fR \- rendszer<65>zenet file
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.br
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\fI/etc/nologin\fR \- nem\-root felhaszn<7A>l<EFBFBD>k bel<65>p<EFBFBD>s<EFBFBD>nek tilt<6C>sa
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.br
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\fI/etc/ttytype\fR \- termin<69>lt<6C>pusok list<73>ja
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.br
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.br
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\fI$HOME/.hushlogin\fR \- korl<72>tozza a rendszer<65>zenetek megjelen<65>t<EFBFBD>s<EFBFBD>t
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.br
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.SH L<EFBFBD>SD M<EFBFBD>G
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.PP
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.BR getty (8),
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.BR mail (1),
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.BR passwd (1),
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.BR sh (1),
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.BR su (1),
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.\" .BR d_passwd (5),
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.BR passwd (5),
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.BR nologin (5)
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.SH SZERZ<EFBFBD>
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Julianne Frances Haugh (jfh@bga.com)
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.SH MAGYAR FORD<EFBFBD>T<EFBFBD>S
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Niedermayer Mikl<6B>s <mico@musician.org>
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