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<TITLE>Bash Prompt HOWTO: Bash$B$H(BBash$B$N%W%m%s%W%H(B</TITLE>
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<A HREF="Bash-Prompt-HOWTO-3.html">$B<!$N%Z!<%8(B</A>
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<H2><A NAME="s2">2. Bash$B$H(BBash$B$N%W%m%s%W%H(B</A></H2>
<H2><A NAME="ss2.1">2.1 Bash$B$H$O(B </A>
</H2>
<P>Bourne Shell $B$NN.$l$r$/$`(B Bash $B$O!"(BGNU $B$G3+H/$5$l$F$*$j!"(B
<B>B</B>ourne <B>A</B>gain <B>SH</B>ell $B$+$iL>IU$1$i$l$F$$$^$9!#(B
$BB?$/$N(B Linux $B$G$OI8=`$N%3%^%s%I%i%$%s!&%$%s%?!<%U%'!<%9$K$J$C$F$$$^$9!#(B
$BBPOC@-$d!"%3%^%s%I%i%$%s$NJT=8!"Jd40!"MzNr$H$$$C$?5!G=$KBn1[$7$F$$$^$9!#(B
$B%W%m%s%W%H$r@_DjJQ99$G$-$k$3$H$OB?$/$N?M$,CN$C$F$$$^$9$,!"(B
$B$I$3$^$G$N$3$H$,$G$-$k$+$O$"$^$jCN$i$l$F$$$^$;$s!#(B
<P>
<H2><A NAME="ss2.2">2.2 Bash $B%W%m%s%W%H$r$$$8$k$H$h$$$3$H$,$"$k$N$G$9$+(B? </A>
</H2>
<P>$BB?$/$N(B Linux $B$N%G%U%)%k%H$N%W%m%s%W%H$O!"(B1$B?'(B($BDL>o%0%l%$(B)$B$G!"%f!<%6!<L>!"(B
$B%^%7%sL>!"8=:_$N%G%#%l%/%H%j$r<($9$b$N$K$J$C$F$$$^$9!#$3$l$OLr$KN)$D(B
$B>pJs$G$9!#$G$b%W%m%s%W%H$O$b$C$HB?$/$N$3$H$r<($;$^$9!#$I$s$J>pJs$G$b(B
$B<($9$3$H$,$G$-$^$9!#(Btty $BHV9f!";~4V!"F|IU!"Ii2Y>uBV!"%f!<%6!<?t!"@\B3;~4VEy!9!#(B
$B%W%m%s%W%H$K$O(B ANSI $B$N?'$,;H$(!"8+$?L\$rLLGr$/$7$?$j!"$"$k>pJs$r:]N)$?$;$?$j(B
$B$G$-$^$9!#(B
$B$3$N$h$&$J>pJs$r<($9$?$a$K!"(BXterm $B$N%?%$%H%k%P!<$rA`:n$9$k$3$H$b$G$-$^$9!#(B
<P>
<P>
<H2><A NAME="ss2.3">2.3 $B$J$<LLE]$J$3$H$r$9$k$N(B? </A>
</H2>
<P>$B$+$C$3$h$/8+$;$k$H$$$&$@$1$G$J$/!"%7%9%F%`>pJs$,<($5$l$k$N$OLr$KN)$D$3$H(B
$B$,B?$$$G$7$g$&!#(B
$B0[$J$C$?5!3#$G$O0[$J$C$??'$G%W%m%s%W%H$r=P$9$H$$$&$h$&$J$3$H$K;H$&(B
$B?M$b$$$^$9!#$$$/$D$b$N(B Xterm $B$r$$$/$D$b$N5!3#$GF0$+$7$F$$$?$j!"$I$N5!3#$r(B
$BF0$+$7$F$$$k$N$+$r4*0c$$$7$F!"4V0c$C$?%U%!%$%k$r:o=|$7$?$j$9$k$h$&$J?M$O!"(B
$B$3$N$h$&$J9)IW$r$9$k$3$H$K$h$C$F!"$I$N5!3#$rF0$+$7$F$$$k$+$rK:$l$k(B
$B$3$H$,$J$/$J$k$G$7$g$&!#(B
<P>
<H2><A NAME="ss2.4">2.4 $BBh0lCJ3,(B</A>
</H2>
<P>$B%W%m%s%W%H$N7A>u$O%7%'%kJQ?t(B PS1 $B$K$h$C$F7h$^$j$^$9!#(B
$B%3%^%s%I$,(B2$B9T0J>e$K$J$k;~$N(B2$B9TL\0J9_$N%W%m%s%W%H$O!"(BPS2 $B$NJ8;zNs$G(B
$B7h$^$j$^$9!#$3$l$O(B PS1 $B$HA4$/F1$8=q$-J}$G$9$N$G!"$3$NJ8=q$G$O$[$H$s$I(B
PS1 $B$K$D$$$F$@$1=R$Y$^$9!#(B(PS3 $B$H(B PS4 $B$H$$$&JQ?t$b$"$j$^$9!#$3$l$i$O(B
$BDL>o$N%f!<%6!<$,8+$k$3$H$O$"$j$^$;$s!#$b$76=L#$,$"$l$P!"(BBash $B$N(B
man $B%Z!<%8$r8+$F$/$@$5$$!#(B)$B%W%m%s%W%H$rJQ$($k$K$O!"(BPS1 $B$rJQ$($^$9!#(B
$B<B83$7$F$_$k$K$O!"(BPS1 $B$NJ8;zNs$rD>@\%W%m%s%W%H$N$H$3$m$GJQ$($F$_$F(B
$B2<$5$$!#7k2L$,$9$0$KI=$l$k$G$7$g$&!#(B
($B$3$NJQ2=$O8=:_$N4D6-$rJQ$($k$@$1$G!"%m%0%"%&%H$9$l$P(B
$B$J$/$J$C$F$7$^$$$^$9!#(B)
$B$b$7%W%m%s%W%H$r1J5W$KJQ$($?$1$l$P!"(B /.bashrc $B$K(B PS1 $B$N?7$7$$Dj5A$r(B
$BCV$$$F2<$5$$!#$b$7!"%k!<%H8"8B$r;}$C$F$$$k$J$i!"(B/etc/profile $B%U%!%$%k$N(B
$BCf$N(B"<B>PS1=</B>"$B$N9T$rJQ$($^$9!#(BLinux $B$N%G%#%9%H%j%S%e!<%7%g%s$N<oN`$K(B
$B$h$C$F$O(B(RedHat 5.1$B$G$O$=$&$G$9$,(B)/etc/bashrc $B$,(B PS1 $B$H(B PS2 $B$N@_Dj$r(B
$BJQ$($^$9$N$G!"Cm0U$7$F$/$@$5$$!#(B
<P>$B$O$8$a$KCm0U$7$F$*$-$^$9$,!"(BPS1 $B$N@_Dj$OB>$N4D6-JQ?t$HF1MM!"4D6-$KJ]B8$5$l$F(B
$B$$$^$9!#(BPS1 $B$N@_Dj$r%3%^%s%I%i%$%s$GJQ2=$5$;$l$P!"%W%m%s%W%H$,JQ$o$j$^$9!#(B
$BJQ99$9$kA0$K8=:_$N%W%m%s%W%H$rJ]B8$7$?$1$l$P!"JL$N4D6-JQ?t$KJ]B8$7$F$*$$$F(B
$B$/$@$5$$!#(B
<PRE>
[giles@nikola giles]$ SAVE=$PS1
[giles@nikola giles]$
</PRE>
<P>
<P>$B$b$C$H$b4JC1$J%W%m%s%W%H$O(B1$BJ8;z$+$i$J$k$b$N$G$9!#$?$H$($P(B
<PRE>
[giles@nikola giles]$ PS1=$
$ls
bin mail
$
</PRE>
<P>
<P>$B4JC1$J%W%m%s%W%H$r<B83$9$k$K$O!"$3$N$h$&$K%3%^%s%I%i%$%s$GF~$l$^$9!#(B
$B%f!<%6!<$,F~NO$9$kJ8;z$,%W%m%s%W%H$ND>8e$KI=$l$k$3$H$KCm0U$7$F2<$5$$!#(B
$B;d$O<!$N$h$&$K%W%m%s%W%H$r@_Dj$9$kJ}$,9%$-$G$9!#(B
<P>
<PRE>
$PS1="$ "
$ ls
bin mail
$
</PRE>
<P>
<P>$B$3$&$9$k$3$H$K$h$C$F!"%W%m%s%W%H$N<!$K%9%Z!<%9$,CV$+$l!"FI$_$d$9$/$J$j$^$9!#(B
$B$b$H$N%W%m%s%W%H$KLa$9$K$O!"J]B8$7$F$*$$$?JQ?t$r8F$S=P$7$^$9!#(B
<PRE>
$ PS1=$SAVE
[giles@nikola giles]$
</PRE>
<P>
<H2><A NAME="ss2.5">2.5 Bash$B%W%m%s%W%H$N%(%9%1!<%W%7!<%1%s%9(B</A>
</H2>
<P>Bash $B$K$O!"%W%m%s%W%H$G;H$($k%(%9%1!<%W%7!<%1%s%9$,Bt;3$"$j$^$9!#(B
Bash 2.02 $B$N(B man $B%Z!<%8$r$_$k$H!"(B
<P>
<PRE>
$BBPOC7?$G<B9T$5$l$k;~$K$O!"(Bbash $B$O%3%^%s%IBT$A$N>uBV$G!"0l<!(B
$B%W%m%s%W%H$N(B PS1 $B$rI=<($7!"%3%^%s%I$r40@.$9$k$N$K$5$i$KF~NO$,(B
$BI,MW$J;~$K$OFs<!%W%m%s%W%H$N(B PS2 $B$rI=<($7$^$9!#(Bbash $B$G$O%P%C%/(B
$B%9%i%C%7%e$G%(%9%1!<%W$7$?J8;z$rA^F~$9$k$3$H$K$h$j!"%W%m%s(B
$B%W%H$r=$>~$9$k$3$H$,$G$-$^$9!#$=$N0UL#$O<!$N$H$*$j$G$9!#(B
\a ASCII $B$N%Y%kJ8;z(B (07)
\d "$BMKF|(B $B7n(B $BF|(B"$B$N%U%)!<%^%C%H$K$h$kF|IU$1(B
($BNc(B "Tue May 26")
\e ASCII $B$N%(%9%1!<%WJ8;z(B (033)
\h $B:G=i$N(B"."$B$N$H$3$m$^$G$N%[%9%HL>(B
\H $B%[%9%HL>(B
\n $B2~9T(B
\r $BI|5"(B
\s $B%7%'%kL>!"(B$0 $B$N%Y!<%9L>(B
($B:G8e$N%9%i%C%7%e$N8e$m$NItJ,(B)
\t 24$B;~4V@)$N(B HH:MM:SS $B$N%U%)!<%^%C%H$K$h$k;~4V(B
\T 12$B;~4V@)$N(B HH:MM:SS $B$N%U%)!<%^%C%H$K$h$k;~4V(B
\@ am/pm $B$r$D$1$?(B12$B;~4V@)$N%U%)!<%^%C%H$K$h$k;~4V(B
\u $B8=%f!<%6!<$N%f!<%6!<L>(B
\v bash $B$N%P!<%8%g%s(B($BNc(B 2.00)
\V bash $B$N%j%j!<%9HV9f!"%P!<%8%g%s$H%Q%C%A%l%Y%k(B
($BNc(B 2.00.0)
\w $B8=:_$N%G%#%l%/%H%j(B
\W $B8=:_$N%G%#%l%/%H%j$N%Y!<%9L>(B
\! $B8=:_$N%3%^%s%I$N%R%9%H%j!<HV9f(B
\# $B8=:_$N%3%^%s%I$N%3%^%s%IHV9f(B
\$ UID$B$,(B0$B$J$i(B#$B!"$=$&$G$J$1$l$P(B$
\nnn 8$B?J?t(Bnnn$B$KBP1~$9$kJ8;z(B
\\ $B%P%C%/%9%i%C%7%e(B
\[ $BI=<($5$l$J$$J8;zNs$N3+;O!#C<Kv@)8f%7!<%1%s%9$r(B
$B%W%m%s%W%H$KKd$a9~$`!#(B
\] $BI=<($5$l$J$$J8;zNs$N=*$j!#(B
</PRE>
<P>
<P>$B$=$l$G$OB3$-$G$9!#(B
<PRE>
[giles@nikola giles]$ PS1="\u@\h \W> "
giles@nikola giles> ls
bin mail
giles@nikola giles>
</PRE>
<P>
<P>$B$3$l$O%G%U%)%k%H$N%W%m%s%W%H$H$[$H$s$IJQ$o$j$"$j$^$;$s!#$=$3$G>/$7(B
$B%9%?%$%k$rJQ$($F$_$^$7$g$&!#(B
<PRE>
giles@nikola giles> PS1="[\t][\u@\h:\w]\$ "
[21:52:01][giles@nikola:~]$ ls
bin mail
[21:52:15][giles@nikola:~]$
</PRE>
<P>
<H2><A NAME="setps"></A> <A NAME="ss2.6">2.6 PS?$BJ8;zNs$N@_Dj$r1JB3$5$;$k(B</A>
</H2>
<P>$BB?$/$N?M!"B?$/$N%G%#%9%H%j%S%e!<%7%g%s$,(B PS? $BJ8;zNs$r0[$J$C$?$H$3$m$G(B
$B@_Dj$7$F$$$^$9!#0lHVB?$$$N$O!"(B/etc/profile$B!"(B/etc/bashrc$B!"(B /.bash_profile
$B5Z$S(B /.bashrc$B$G$9!#(BJohan Kullstam (
<A HREF="mailto:johan19@idt.net">johan19@idt.net</A>)$B$O=q$$$F$$$^$9!#(B
<P>
<BLOCKQUOTE><CODE>
<PRE>
PS1 $BJ8;zNs$O(B .bashrc $B$G@_Dj$9$Y$-$G$9!#HsBPOC7?(B bash $B$O(B PS1 $B$N@_Dj$r%/%j%"$7$F(B
$B$7$^$&$+$i$G$9!#(Bbash man$B%Z!<%8$K$O!"(Bbash$B$,BPOC7?%;%C%7%g%s$K$"$k$+!"Hs(B
$BBPOC7?(B($B$D$^$j%9%/%j%W%H(B)$B%;%C%7%g%s$K$"$k$+$rCN$k$h$$J}K!$,(BPS1$B$,Dj5A$5$l(B
$B$F$$$k$+$I$&$+$@$H=q$$$F$"$j$^$9!#(B
$B$3$l$r;d$,M}2r$7$?$N$O(Bstartx$B$,(Bbash$B%9%/%j%W%H$G!"(Bstartx$B$O$"$J$?$N%W%m%s(B
$B%W%H$r>C$7$F$7$^$$$^$9!#(B.profile($B$b$7$/$O(B.bash_profile)$B$G(BPS1$B$r@_Dj$7!"(B
$B%3%s%=!<%k$G%m%0%$%s$7$F!"(Bstartx$B$G(BX$B$r5/F0$9$k$H!"$"$J$?$N(BPS1$B$OGK2u$5$l(B
$B$F$7$^$$!"%G%U%)%k%H$N%W%m%s%W%H$KLa$j$^$9!#(B
$B2r7hK!$N0l$D$O!"(Bxterm$B$d(Brxvt$B$r(B-ls$B%*%W%7%g%sIU$-$G5/F0$7!"(B.profile$B%U%!%$(B
$B%k$rFI$_9~$`$h$&$K$9$k$3$H$G$9!#$7$+$7!"HsBPOC7?$N%7%'%k%9%/%j%W%H$K$h(B
$B$C$F%7%'%k$,8F$P$l$kEY$K(BPS1$B$,<:$o$l$^$9!#(Bsystem(3)$B$O(B sh -c $B$r;H$$$^$9$,!"(B
sh $B$,(B bash $B$J$i(B PS1 $B$,<:$o$l$^$9!#$h$j$h$$2r7hK!$O!"(BPS1 $B$NDj5A$r(B .bashrc $B$K(B
$BCV$/$3$H$G$9!#$3$l$O(B bash $B$,5/F0$5$l$kEY$KFI$_9~$^$l$^$9$N$G!"(BPS1 $B$N$h$&$J(B
$BBPOC$KI,MW$J$b$N$rCV$/$Y$->l=j$G$9!#(B
$B$7$?$,$C$F!"!V(BPS1=$B2?$?$i$+$s$?$i!W$O!"(B.profile $B$G$O$J$/!"(B.bashrc $B$KCV$+(B
$B$l$k$Y$-$G$9!#(B
</PRE>
</CODE></BLOCKQUOTE>
<P>
<P>$B;d$OH`$N@bL@$r:F8=$7$h$&$H$7$FJL$NLdBj$K$V$A$"$?$j$^$7$?!#;d$N(B PROMPT_COMMAND
$BJQ?t(B($B<!$K@bL@$7$^$9(B)$B$,$J$/$J$C$F$7$^$&$N$G$9!#$3$NJ,Ln$G$N;d$NCN<1$O==J,$G(B
$B$J$$$N$G!"(BJohan $B$,8@$&$h$&$K$7$^$7$g$&!#(B
<P>
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