windows和linux双系统,设置默认启动项

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1、windows和linux双系统，设置默认启动项在终端里输入：sudogedit/boot/grub/grub.cfg先装windows而后装linux系统，默认启动项会非常多，执行上面的命令后，会打开一个文档，里面代码如下： ---------------------------------------------------------------------------------------------------------------(这些小横线是我自己加的)##DONOTEDITTHISFILE##Itisautomaticallygeneratedby/usr/sbin/gr

2、ub-mkconfigusingtemplates#from/etc/grub.dandsettingsfrom/etc/default/grub####BEGIN/etc/grub.d/00_header###if[-s$prefix/grubenv];then load_envfisetdefault="8"if[${prev_saved_entry}];then setsaved_entry=${prev_saved_entry} save_envsaved_entry setprev_saved_entry= save_envprev_saved_entry setboot_once

3、=truefifunctionsavedefault{ if[-z${boot_once}];then   saved_entry=${chosen}   save_envsaved_entry fi}functionrecordfail{ setrecordfail=1 if[-n${have_grubenv}];thenif[-z${boot_once}];thensave_envrecordfail;fi;fi}insmodext2setroot='(hd0,9)'search--no-floppy--fs-uuid--setfd9c0f6c-5c20-4d95-b3f4-eebca8

4、2bea0fifloadfont/usr/share/grub/unicode.pf2;then setgfxmode=640x480 insmodgfxterm insmodvbe ifterminal_outputgfxterm;thentrue;else   #Forbackwardcompatibilitywithversionsofterminal.modthatdon't   #understandterminal_output   terminalgfxterm fifiinsmodext2setroot='(hd0,9)'search--no-floppy--fs-uuid-

5、-setfd9c0f6c-5c20-4d95-b3f4-eebca82bea0fsetlocale_dir=($root)/boot/grub/localesetlang=zhinsmodgettextif[${recordfail}=1];then settimeout=-1else  settimeout=10fi###END/etc/grub.d/00_header######BEGIN/etc/grub.d/05_debian_theme###setmenu_color_normal=white/blacksetmenu_color_highlight=black/light-gra

6、y###END/etc/grub.d/05_debian_theme######BEGIN/etc/grub.d/10_linux###menuentry'Ubuntu,withLinux2.6.32-31-generic'--classubuntu--classgnu-linux--classgnu--classos{   recordfail   insmodext2   setroot='(hd0,9)'   search--no-floppy--fs-uuid--setfd9c0f6c-5c20-4d95-b3f4-eebca82bea0f   linux   /boot/vmlin

7、uz-2.6.32-31-genericroot=UUID=fd9c0f6c-5c20-4d95-b3f4-eebca82bea0fro  quietsplash   initrd   /boot/initrd.img-2.6.32-31-generic}menuentry'Ubuntu,withLinux2.6.32-31-generic(recoverymode)'--classubuntu--class