⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 ch24.mht

📁 如果想学习操作系统
💻 MHT
📖 第 1 页 / 共 5 页
字号:
=C6=F7=D7=AA=B6=F8=D6=B4=D0=D0=C1=ED=D2=BB=B8=F6=BE=CD=D0=F7=CF=DF=B3=CC=A1=
=A3</FONT></FONT></TD></TR></TBODY></TABLE>
<TABLE height=3D37 width=3D"98%" border=3D0>
  <TBODY>
  <TR>
    <TD width=3D"7%">&nbsp;</TD>
    <TD width=3D"93%"><FONT =
color=3D#0000ff><B>=BD=E2=B3=FD=D7=E8=C8=FB(Unlock):=20
      =
</B></FONT><B></B>=B5=B1=D7=E8=C8=FB=D2=BB=B8=F6=CF=DF=B3=CC=B5=C4=CA=C2=BC=
=FE=B7=A2=C9=FA=CA=B1=A3=AC=B8=C3=CF=DF=B3=CC=B1=BB=D7=AA=D2=C6=B5=BD=BE=CD=
=D0=F7=B6=D3=C1=D0=D6=D0=A1=A3</TD></TR></TBODY></TABLE>
<TABLE height=3D37 width=3D"98%" border=3D0>
  <TBODY>
  <TR>
    <TD width=3D"7%">&nbsp;</TD>
    <TD width=3D"93%"><FONT color=3D#0000ff><B>=BD=E1=CA=F8(Finish):=20
      =
</B></FONT>=B5=B1=D2=BB=B8=F6=CF=DF=B3=CC=CD=EA=B3=C9=CA=B1=A3=AC=C6=E4=BC=
=C4=B4=E6=C6=F7=C9=CF=CF=C2=CE=C4=BA=CD=D5=BB=B6=BC=B1=BB=CA=CD=B7=C5=A1=A3=
</TD></TR></TBODY></TABLE>
<TABLE height=3D37 width=3D"98%" border=3D0>
  <TBODY>
  <TR>
    <TD width=3D"5%">&nbsp;</TD>
    <TD width=3D"95%"><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3><IMG height=3D16=20
      alt=3D"LFUCHS~1.GIF (158 bytes)"=20
      =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/LFUCHS~1=
.GIF"=20
      =
width=3D16><STRONG>=CF=DF=B3=CC=CD=AC=B2=BD</STRONG>----=D2=BB=B8=F6=CF=DF=
=B3=CC=B6=D4=D7=CA=D4=B4=C8=CE=BA=CE=D0=DE=B8=C4=B6=BC=BB=E1=D3=B0=CF=EC=CD=
=AC=D2=BB=B8=F6=BD=F8=B3=CC=D6=D0=C6=E4=CB=FB=B4=D3=B3=CC=B5=C4=BB=B7=BE=B3=
=A1=A3=D2=F2=B4=CB=A3=AC=D0=E8=D2=AA=B8=F7=D6=D6</FONT></TD></TR></TBODY>=
</TABLE>
<TABLE height=3D21 width=3D"98%" border=3D0>
  <TBODY>
  <TR>
    <TD width=3D"10%">&nbsp;</TD>
    <TD width=3D"90%"><FONT face=3D=CB=CE=CC=E5 color=3D#000000=20
  =
size=3D3>=CF=DF=B3=CC=B5=C4=BB=EE=B6=AF=BD=F8=D0=D0=CD=AC=B2=BD=A1=A3</FO=
NT></TD></TR></TBODY></TABLE>
<TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"98%" border=3D0>
  <TBODY>
  <TR>
    <TD width=3D"100%"><PRE><IMG height=3D25 alt=3D"eyeball.gif (1503 =
bytes)" =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/eyeball.=
gif" width=3D25><STRONG><FONT face=3D=CB=CE=CC=E5 color=3D#ff0000 =
size=3D3><A name=3Dthreat5></A> </FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#ff0000 size=3D5>=CF=DF</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 size=3D4>=B3=CC=B5=C4=B7=D6=C0=E0</FONT></STRONG><IMG =
height=3D21 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/arrow1.G=
IF" width=3D62></PRE></TD></TR>
  <TR>
    <TD width=3D"100%"><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3>    </FONT><IMG height=3D15 alt=3D"=C8=FD=BD=C7=BC=FD=CD=B7.GIF =
(188 bytes)" =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/angle.GI=
F" width=3D14><IMG height=3D29 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/xian.jpg=
" width=3D29><STRONG><FONT face=3D=CB=CE=CC=E5 color=3D#0000ff =
size=3D3>=B3=CC=BF=C9=B7=D6=D2=D4=CF=C2=C1=BD=C0=E0=A3=BA</FONT></STRONG>=
</PRE><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>        =
<IMG height=3D16 alt=3D"LFUCHS~1.GIF (158 bytes)" =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/LFUCHS~1=
.GIF" =
width=3D16><STRONG>=C4=DA=BA=CB=D6=A7=B3=D6=CF=DF=B3=CC</STRONG>----=CF=DF=
=B3=CC=B5=C4=B4=B4=BD=A8=A1=A2=B3=B7=CF=FB=BA=CD=C7=D0=BB=BB=B6=BC</FONT>=
<FONT face=3D=CB=CE=CC=E5 color=3D#0000ff =
size=3D3>=D3=C9=C4=DA=BA=CB=CA=B5=CF=D6</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 size=3D3>=A1=A3</FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>        <IMG height=3D16 =
alt=3D"L=BB=C6=C9=ABP.GIF (158 bytes)" =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/LyP.GIF"=
 =
width=3D16><STRONG>=D3=C3=BB=A7=BC=B6=CF=DF=B3=CC</STRONG>------=CF=DF=B3=
=CC=B5=C4=B4=B4=BD=A8=A1=A2=B3=B7=CF=FB=BA=CD=C7=D0=BB=BB=B6=BC=B2=BB=C0=FB=
=D3=C3=CF=B5=CD=B3=B5=F7=D3=C3=C0=B4=CA=B5=CF=D6=A3=AC</FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#0000ff =
size=3D3>=D3=EB=C4=DA=BA=CB=CE=DE=B9=D8</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 size=3D3>=A1=A3</FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>    </FONT><IMG height=3D15 =
alt=3D"=C8=FD=BD=C7=BC=FD=CD=B7.GIF (188 bytes)" =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/angle.GI=
F" width=3D14><STRONG><FONT face=3D=CB=CE=CC=E5 color=3D#0000ff =
size=3D3>=C1=BD=C0=E0=CF=DF=B3=CC=B5=C4=B1=C8=BD=CF=A3=BA
</FONT></STRONG></PRE></TD></TR></TBODY></TABLE>
<TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"98%" border=3D0>
  <TBODY>
  <TR>
    <TD width=3D"49%"><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3>    </FONT><IMG height=3D15 alt=3D"=C8=FD=BD=C7=BC=FD=CD=B7.GIF =
(188 bytes)" =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/angle.GI=
F" width=3D14><FONT face=3D=CB=CE=CC=E5 color=3D#8000ff =
size=3D3><STRONG>=C4=DA=BA=CB=D6=A7=B3=D6=CF=DF=B3=CC</STRONG></FONT></PR=
E><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>      =
</FONT><IMG height=3D16 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/LFUCHS~1=
.GIF" width=3D16><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3><STRONG>=CF=DF=B3=CC=B5=C4=B5=F7=B6=C8=D3=EB=C7=D0=BB=BB=CB=D9=B6=
=C8=A3=BA</STRONG></FONT></PRE><PRE><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 size=3D3>            =
=D3=EB=BD=F8=B3=CC=B5=C4=B5=F7=B6=C8=D3=EB=C7=D0=BB=BB=CA=AE=B7=D6=CF=E0=CB=
=C6=A1=A3</FONT></PRE><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3>      </FONT><FONT face=3D=CB=CE=CC=E5 color=3D#ffffff =
size=3D3>=B2=D9=D7=F7=CF=B5=CD=B3CAI</FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>      </FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#ffffff =
size=3D3>=B2=D9=D7=F7=CF=B5=CD=B3CAI</FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>      </FONT><IMG =
height=3D16 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/LBULEP.G=
IF" width=3D16><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3><STRONG>=CF=B5=CD=B3=B5=F7=D3=C3=A3=BA</STRONG>=B5=F7=B6=C8=D2=D4=
</FONT><FONT face=3D=CB=CE=CC=E5 color=3D#0000ff =
size=3D3>=CF=DF=B3=CC</FONT><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3>=CE=AA=B5=A5=CE=BB=A1=A3</FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>      </FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#ffffff size=3D3>=B2=D9=D7=F7=CF=B5=CD=B3CAI =
 =B2=D9=D7=F7=CF=B5=CD=B3CAI</FONT></PRE><PRE><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 size=3D3>      </FONT><IMG height=3D16 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/LzP.GIF"=
 width=3D16><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3><STRONG>=CF=DF=B3=CC=D6=B4=D0=D0=CA=B1=BC=E4=A3=BA</STRONG>=CF=DF=
=B3=CC=B6=E0=B5=C4=BD=F8=B3=CC=BB=F1=B5=C3CPU=CA=B1</FONT></PRE><PRE><FON=
T face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>                      =
=BC=E4=B6=E0=A3=AC=CB=D9=B6=C8=BF=EC=A1=A3</FONT></PRE></TD>
    <TD width=3D"3%">
      <DIV align=3Dcenter>
      <CENTER><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3><IMG height=3D150 alt=3D"line1.gif (869 bytes)" =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/line1.gi=
f" width=3D10></FONT></PRE></CENTER></DIV></TD>
    <TD width=3D"48%"><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3>    </FONT><IMG height=3D15 alt=3D"=C8=FD=BD=C7=BC=FD=CD=B7.GIF =
(188 bytes)" =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/angle.GI=
F" width=3D14><FONT face=3D=CB=CE=CC=E5 color=3D#8000ff =
size=3D3><STRONG>=D3=C3=BB=A7=BC=B6=CF=DF=B3=CC</STRONG></FONT></PRE><PRE=
><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>      </FONT><IMG =
height=3D16 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/LFUCHS~1=
.GIF" width=3D16><STRONG><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3>=CF=DF=B3=CC=B5=C4=B5=F7=B6=C8=D3=EB=C7=D0=BB=BB=CB=D9=B6=C8=A3=BA=
</FONT></STRONG></PRE><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3>            =
=B7=A2=C9=FA=D4=DA=D2=BB=B8=F6=D3=A6=D3=C3</FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#0000ff size=3D3>=BD=F8=B3=CC</FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>=B5=C4</FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#0000ff =
size=3D3>=B8=F7=CF=DF=B3=CC=BC=E4</FONT><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 size=3D3>=A3=AC=CE=DE</FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>        =
=D0=EBOS=C4=DA=BA=CB=B5=C4=B8=C9=D4=A4=A3=AC=B9=E6=D4=F2=D4=B6=B1=C8=BD=F8=
=B3=CC=B5=F7=B6=C8=BA=CD=C7=D0</FONT></PRE><PRE><FONT =
face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>        =
=BB=BB=B5=C4=B9=E6=D4=F2</FONT><FONT face=3D=CB=CE=CC=E5 color=3D#0000ff =
size=3D3>=BC=F2=B5=A5</FONT><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3>=A1=A3=C7=D0=BB=BB=CB=D9=B6=C8=CC=D8=B1=F0=BF=EC=A1=A3</FONT></P=
RE><PRE><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>      =
</FONT><IMG height=3D16 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/LBULEP.G=
IF" width=3D16><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3><STRONG>=CF=B5=CD=B3=B5=F7=D3=C3=A3=BA</STRONG>=D2=BB=B8=F6=CF=DF=
=B3=CC=B5=F7=B6=C8=BF=B4=D7=F7=D5=FB=B8=F6</FONT><FONT =
face=3D=CB=CE=CC=E5 color=3D#0000ff =
size=3D3>=BD=F8=B3=CC</FONT></PRE><PRE><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 size=3D3>                  =
=B5=C4=D0=D0=CE=AA=A1=A3</FONT></PRE><PRE><FONT face=3D=CB=CE=CC=E5 =
color=3D#000000 size=3D3>      </FONT><IMG height=3D16 =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/LzP.GIF"=
 width=3D16><FONT face=3D=CB=CE=CC=E5 color=3D#000000 =
size=3D3><STRONG>=CF=DF=B3=CC=D6=B4=D0=D0=CA=B1=BC=E4=A3=BA</STRONG>=BD=F8=
=B3=CC=D4=CB=D0=D0=CB=D9=B6=C8=D3=EB=C6=E4=D3=B5=D3=D0</FONT></PRE><PRE><=
FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>                      =
=CF=DF=B3=CC=B5=C4=CA=FD=C1=BF=B3=C9=B7=B4=B1=C8=A1=A3</FONT></PRE></TD><=
/TR></TBODY></TABLE>
<TABLE cellSpacing=3D0 cellPadding=3D0 width=3D"98%" border=3D0>
  <TBODY>
  <TR>
    <TD width=3D"100%">
      <P align=3Dright><!--webbot bot=3D"ImageMap" rectangle=3D"(3,1) =
(144,32) #%e9%a1%b5%e5%a4%b4" src=3D"../images/Backhead.gif" =
border=3D"0" alt=3D"Backhead.gif (2500 bytes)" startspan --><MAP=20
      name=3DFrontPageMap6><AREA shape=3DRECT coords=3D3,1,144,32=20
        =
href=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/pages/ch24.htm=
#=D2=B3=CD=B7"></MAP><A=20
      =
href=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/_vti_bin/shtml.dll/chap=
ter2/pages/ch24.htm/map6"><IMG=20
      height=3D33 alt=3D"Backhead.gif (2500 bytes)" isMap=20
      =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/Backhead=
.gif"=20
      width=3D145 useMap=3D#FrontPageMap6 border=3D0></A><!--webbot =
bot=3D"ImageMap" endspan i-checksum=3D"21224" --></P></TD></TR>
  <TR>
    <TD width=3D"100%">
      <P align=3Dcenter><IMG height=3D39 alt=3D"SPLIT.GIF (3216 bytes)"=20
      =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/SPLIT.GI=
F"=20
      width=3D565></P></TD></TR>
  <TR>
    <TD width=3D"100%"><PRE>&nbsp;</PRE></TD></TR>
  <TR>
    <TD width=3D"100%">
      <DIV align=3Dcenter>
      <CENTER><PRE><!--webbot bot=3D"ImageMap" rectangle=3D"(1,1) (95, =
27)  ../../chapter1/ch1dir.htm" src=3D"../images/ch1b.GIF" border=3D"0" =
startspan --><!--webbot bot=3D"ImageMap" endspan i-checksum=3D"50124" =
--><!--webbot bot=3D"ImageMap" rectangle=3D"(0,1) (95, 27)  =
../../chapter3/ch3dir.htm" src=3D"../images/ch3b.gif" border=3D"0" =
startspan --><!--webbot bot=3D"ImageMap" endspan i-checksum=3D"50776" =
--><!--webbot bot=3D"ImageMap" rectangle=3D"(2,1) (95, 27)  =
../../chapter4/ch4dir.htm" src=3D"../images/ch4b.gif" border=3D"0" =
startspan --><!--webbot bot=3D"ImageMap" endspan i-checksum=3D"51200" =
--><!--webbot bot=3D"ImageMap" rectangle=3D"(0,0) (95, 27)  =
../../chapter5/ch5dir.htm" src=3D"../images/ch5b.gif" border=3D"0" =
startspan --><!--webbot bot=3D"ImageMap" endspan i-checksum=3D"48191" =
--><!--webbot bot=3D"ImageMap" rectangle=3D"(1,3) (95, 27)  =
../../chapter6/ch6dir.htm" src=3D"../images/ch6b.GIF" border=3D"0" =
startspan --><!--webbot bot=3D"ImageMap" endspan i-checksum=3D"46641" =
--><!--webbot bot=3D"ImageMap" rectangle=3D"(1,0) (95, 27)  =
../../chapter7/ch7dir.htm" src=3D"../images/ch7b.GIF" border=3D"0" =
startspan -->
      </PRE></CENTER></DIV></TD></TR>
  <TR>
    <TD width=3D"100%"><PRE><IMG height=3D82 alt=3D"LOGO.GIF (20221 =
bytes)" =
src=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/images/LOGO.GIF=
" width=3D360><FONT face=3D=CB=CE=CC=E5 color=3D#000000 size=3D3>        =
               </FONT><!--webbot bot=3D"ImageMap" rectangle=3D"(1,1) =
(68,19) ch23.htm" src=3D"../images/PRE.GIF" border=3D"0" alt=3D"PRE.GIF =
(1089 bytes)" startspan --><MAP name=3DFrontPageMap13><AREA shape=3DRECT =
coords=3D1,1,68,19 =
href=3D"http://oa.gdut.edu.cn/os/multimedia/oscai/chapter2/pages/ch23.htm=
"></MAP><A =

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -