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linux 1ºÅ½ø³Ì

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¡¡¡¡1¡¢Ö´ÐÐϵͳ³õʼ»¯½Å±¾£¬´´½¨Ò»ÏµÁеĽø³Ì(ËüÃǶ¼ÊÇinit½ø³ÌµÄ×ÓËï);
¡¡¡¡2¡¢ÔÚÒ»¸öËÀÑ­»·ÖеȴýÆä×Ó½ø³ÌµÄÍ˳öʼþ£¬²¢µ÷ÓÃwaitidϵͳµ÷ÓÃÀ´Íê³É“ÊÕʬ”¹¤×÷;
¡¡¡¡init½ø³Ì²»»á±»ÔÝÍ£¡¢Ò²²»»á±»É±ËÀ(ÕâÊÇÓÉÄÚºËÀ´±£Ö¤µÄ)¡£ËüÔڵȴý×Ó½ø³ÌÍ˳öµÄ¹ý³ÌÖд¦ÓÚTASK_INTERRUPTIBLE״̬£¬ “ÊÕʬ”¹ý³ÌÖÐÔò´¦ÓÚTASK_RUNNING״̬¡£
pidΪ0¡¢1µÄ½ø³ÌÊÇɱ²»µôµÄ£¬
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SIGKILL SIGSTOP ......

linux shell ½Å±¾ÈëÃÅ


1. Linux ½Å±¾±àд»ù´¡
1.1 Óï·¨»ù±¾½éÉÜ
1.1.1 ¿ªÍ·
³ÌÐò±ØÐëÒÔÏÂÃæµÄÐпªÊ¼£¨±ØÐë·½ÔÚÎļþµÄµÚÒ»ÐУ©£º
#!/bin/sh
·ûºÅ#!ÓÃÀ´¸æËßϵͳËüºóÃæµÄ²ÎÊýÊÇÓÃÀ´Ö´ÐиÃÎļþµÄ³ÌÐò¡£ÔÚÕâ¸öÀý×ÓÖÐÎÒÃÇʹÓÃ/bin/shÀ´Ö´ÐгÌÐò¡£
µ±±à¼­ºÃ½Å±¾Ê±£¬Èç¹ûÒªÖ´Ðиýű¾£¬»¹±ØÐëʹÆä¿ÉÖ´ÐС£
Ҫʹ½Å±¾¿ÉÖ´ÐУº
±àÒë chmod +x filename ÕâÑù²ÅÄÜÓÃ./filename À´ÔËÐÐ
1.1.2 ×¢ÊÍ
ÔÚ½øÐÐshell±à³Ìʱ£¬ÒÔ#¿ªÍ·µÄ¾ä×Ó±íʾעÊÍ£¬Ö±µ½ÕâÒ»ÐеĽáÊø¡£ÎÒÃÇÕæ³ÏµØ½¨ÒéÄúÔÚ³ÌÐòÖÐʹÓÃ×¢ÊÍ¡£
Èç¹ûÄúʹÓÃÁË×¢ÊÍ£¬ÄÇô¼´Ê¹Ï൱³¤µÄʱ¼äÄÚûÓÐʹÓøýű¾£¬ÄúÒ²ÄÜÔں̵ܶÄʱ¼äÄÚÃ÷°×¸Ã½Å±¾µÄ×÷ÓÃ
¼°¹¤×÷Ô­Àí¡£
1.1.3 ±äÁ¿
ÔÚÆäËû±à³ÌÓïÑÔÖÐÄú±ØÐëʹÓñäÁ¿¡£ÔÚshell±à³ÌÖУ¬ËùÓеıäÁ¿¶¼ÓÉ×Ö·û´®×é³É£¬²¢ÇÒÄú²»ÐèÒª¶Ô±äÁ¿
½øÐÐÉùÃ÷¡£Òª¸³Öµ¸øÒ»¸ö±äÁ¿£¬Äú¿ÉÒÔÕâÑùд£º
#!/bin/sh
#¶Ô±äÁ¿¸³Öµ£º
a="hello world"
# ÏÖÔÚ´òÓ¡±äÁ¿aµÄÄÚÈÝ£º
echo "A is:"
echo $a
ÓÐʱºò±äÁ¿ÃûºÜÈÝÒ×ÓëÆäËûÎÄ×Ö»ìÏý£¬±ÈÈ磺
num=2
echo "this is the $numnd"
Õâ²¢²»»á´òÓ¡³ö"this is the 2nd"£¬¶ø½ö½ö´òÓ¡"this is the "£¬ÒòΪshell»áÈ¥ËÑË÷±äÁ¿numndµÄÖµ£¬
µ«ÊÇÕâ¸ö±äÁ¿Ê±Ã»ÓÐÖµµÄ¡£ ......

LinuxÓÃNasmÇÉ»ã±à

Ëæ×ÅLinuxµÄÆÕ¼°£¬ÈçºÎÔÚLinuxƽ̨ϽøÐбà³Ì£¬ÓÈÆäÊÇ»ã±à³ÉΪ´ó¼Ò¹Ø×¢µÄÒ»¸öÎÊÌ⣬µ«ÊÇÕâ·½Ãæ×ÊÁÏÈ´ºÜÉÙ¡£ÔÚ±é·ÃÍøÕ¾ºÍÂÛ̳ºó£¬ÎÒ°ÑÊÕ¼¯µ½µÄ×ÊÁϽáºÏ±¾ÈË×ܽáµÄһЩ¾­Ñé¸ú´ó¼Ò·ÖÏíһϡ£
Nasm½éÉÜ
LinuxϵĻã±à±àÒëÆ÷ÓжàÖÖ£¬Óï·¨Ò²²»¾¡Ïàͬ£¬ÆäÖÐGASÊDZȽϻù±¾µÄ»ã±à¹¤¾ß¡£µ«ÊÇGAS²ÉÓõIJ»ÊÇÎÒÃÇͨ³£ÔÚDOSÌåϵÏÂʹÓõĻã±àÓï·¨£¬Ëü²ÉÓõÄÊÇAT&TµÄÓï·¨¸ñʽ£¬ÕâÊǼ̳ÐUnixµÄÌØµã£¬ÓëIntelÓï·¨¸ñʽÓкܴóµÄ²»Í¬¡£
×÷Ϊһ¸ö´ÓDOSתÐ͵½LinuxµÄ»ã±à°®ºÃÕߣ¬AT&TµÄ¸ñʽ²»Ì«ÈÝÒ×½ÓÊÜ£¬Ñ§Ï°ÆðÀ´Ò²·Ç³£À§ÄÑ¡£ÎÒÒª½éÉܵÄÊÇÁíÒ»ÖÖ»ã±à¹¤¾ßNasm£¬Õâ¸úDOSÏÂÓõÄIntel x86»ã±à·ç¸ñµÄMasmÀàËÆ£¬ÊÇLinuxÖÐÓï·¨ÓëDOS×îΪÏàÏñµÄÒ»ÖÖ»ã±à¹¤¾ß¡£
ÏÂÃæ¾ÍÒÔhello.asmÕâ¸öС³ÌÐòΪÀý£¬½éÉÜÈçºÎÓÃNasmÔÚLinuxϽøÐлã±à¡£
hello.asm
hello world for Linux
section .text
extern puts
global main
main:
push dword msge ;
call puts ;
add esp, byte 4 ;
ret ;
msge:
db “Hello World!”,0
Nasm±àÒëÃüÁîÈçÏ£º
Nasm -f elf hello.asm
gcc -o hello hello.o
“Nasm -f elf hello.asm”Êǽ«°Ñhello.asm»ã±à³Éelf objectÎļþ¡£ ......

linux³£¼ûµÄ·¢Ðа汾

¡¡¡¡REDHAT
´´½¨ÓÚ1993Ä꣬ÊÇ
Ä¿ÊÀ½çÉÏ×î×ÊÉîµÄLinuxºÍ¿ª·ÅÔ´´úÂëÌṩÉÌ£¬Í¬Ê±Ò²ÊÇ×î»ñÈϿɵÄLinux
Æ·ÅÆ¡£»ùÓÚ¿ª·ÅÔ´´úÂëģʽ£¬ºìñΪȫÇòÆóÒµÌṩרҵ¼¼ÊõºÍ·þÎñ¡£ºìñµÄ½â¾ö
·½°¸°üÀ¨ºìñÆóÒµLinux²Ù×÷ƽ̨£¬ÒÔ¼°ÆäËûÄÚÈݹ㷺µÄ·þÎñ£¬Èç:×Éѯ£¬24X7¼¼ÊõÖ§³ÖºÍºìÃ±ÍøÂç(RHN)¡£ºìñÒÔ¶©ÔĵÄÉÌҵģʽÏòÓû§Ìṩ²»¼ä¶Ï
µÄ²úÆ·ºÍ·þÎñ¡£ºìñÔÚÈ«Çò60¶à¸öµØµãÌṩÅàѵ¿Î³Ì£¬ÆäÖеÄRHCEÈÏÖ¤ÒѾ­³ÉΪLinuxÈÏÖ¤µÄ±ê×¼¡£
¡¡¡¡CentOS
£¨Community ENTerprise Operating System£©ÊÇLinux·¢ÐаæÖ®Ò»£¬ËüÊÇÀ´×ÔÓÚRed Hat
Enterprise
LinuxÒÀÕÕ¿ª·ÅÔ´´úÂë¹æ¶¨ÊͳöµÄÔ´´úÂëËù±àÒë¶ø³É¡£ÓÉÓÚ³ö×ÔͬÑùµÄÔ´´úÂ룬Òò´ËÓÐЩҪÇó¸ß¶ÈÎȶ¨ÐԵķþÎñÆ÷ÒÔCentOSÌæ´úÉÌÒµ°æµÄRed Hat
Enterprise LinuxʹÓá£Á½ÕߵIJ»Í¬£¬ÔÚÓÚCentOS²¢²»°üº¬·â±ÕÔ´´úÂëÈí¼þ¡£
¡¡¡¡Ubuntu
ÊÇÒ»¸öÒÔ×ÀÃæÓ¦ÓÃΪÖ÷µÄLinux²Ù×÷ϵͳ£¬ÆäÃû³ÆÀ´×Ô·ÇÖÞÄϲ¿×æÂ³Óï»ò
ºÀÈøÓïµÄ“ubuntu”Ò»´Ê£¨ÒëΪÎá°ïÍлòÎÚ°àͼ£©£¬Òâ˼ÊÇ“ÈËÐÔ”¡¢“ÎҵĴæÔÚÊÇÒòΪ´ó¼ÒµÄ´æÔÚ”£¬ÊÇ·ÇÖÞ´«Í³µÄÒ»ÖÖ¼ÛÖµ¹Û£¬ÀàËÆ»ªÈËÉç»áµÄ“Èʰ®”
˼Ïë¡£Ubuntu»ùÓÚDebian·¢ÐаæºÍGNOME×ÀÃæ»·¾³£¬ÓëDebi ......

Linux Ubuntu 9.1 fcitx СÆó¶ì ÖÐÎÄÊäÈë·¨°²×°

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Linux Ubuntu 9.1 fcitx Ð¡Æó¶ì ÖÐÎÄÊäÈë·¨°²×°
×÷Õߣº
½¥Ðн¥Ô¶µÄ´¬
°²×°Ubuntu9.1£¬Ñ¡ÔñÖÐÎݲװ¡£
°²×°ºÃºó£¬UbuntuÒѾ­×Ô´øÁËÒ»¸öibusÖÐÎÄÊäÈë·¨£¬¿ÉÊÇÓÃÆðÀ´ºÜ²»Ë¬£¬²»ÈçСÆó¶ì·½±ã¡£
°²×°Ð¡Æó¶ì·½·¨£¬ºÍÍøÉϵıȽϣ¬ÕâÀïµÄ¿ÉÄÜÊDZȽϼòµ¥µÄÁË£¬ÅäÖÃÒª¼òµ¥¶àÁË¡£µçÄÔÒªÁªÍø¡£
1.Æô¶¯ÖÕ¶Ë£¨ÃüÁîÐд°¿Ú£©
2.ÊäÈëÃüÁsudo apt-get install
fcitx
ºó£¬µçÄÔ»á×Ô¶¯ÏÂÔØÐ¡Æó¶ìÎļþ¡£°´Ìáʾ½øÐа²×°¡£
3.°²×°³É¹¦Ö®ºó£¬Ð¡Æó¶ì²¢²»»áÔÚ¿ª»úʱ×Ô¶¯Æô¶¯¡£ÔÚÖÕ¶ËÊäÈëÃüÁî:sudo im-switch -s fcitx
ÕâÑù£¬µçÄÔÒ»Æô¶¯Ð¡Æó¶ì¾Í×Ô¶¯Æô¶¯ÁË¡£
4.ÖØÆôµçÄÔ£¬ÔÚÆô¶¯¹ý³ÌÖпÉÒÔ¿´µ½Ð¡Æó¶ìÒ»ÉÁ¶ø¹ý£¬ÄǾÍÊǰ²×°³É¹¦ÁË¡£
5.´ò¿ªÒ»¸öÎĵµ£¬Í¬Ê±°´ÏÂalt+shif+space£¬Çл»µ½Ð¡Æó¶ìÊäÈë·¨£¬¿ªÊ¼ÊäÈëÖÐÎÄ£¬¿ÉÒÔ·¢ÏÖСÆó¶ìÖеÄÖÐÎÄ´ýÑ¡À¸È«ÊÇ·½¿ò¡£ÕâÊÇÒòΪ»¹Ã»ÓиøÐ¡Æó¶ìÖ¸¶¨ºÏÊʵÄ×ÖÌå¡£
6.ÔÚÖÕ¶ËÊäÈëÃüÁfc-list ÏÔʾϵͳÖеÄÖÐÎÄ×ÖÌå¡£ÎҵĵçÄÔÖеÄÖÐÎÄ×ÖÌåÊÇWenQuanYi Zen Hei¡£
7.ÔÚÖÕ¶ËÊäÈëÃüÁsudo gedit ~/.fcitx/config
gedit¾Í»á´ò¿ªconfigÎļþ£¬Îļþ¿ªÍ·¼¸ÐÐÄÚÈÝΪ
[³ÌÐò]
ÏÔʾ×ÖÌå(ÖÐ)=WenQuanYi Bitmap Song£¨Ò²¿ÉÄÜÏÔʾµ ......

linux 2.6.24ÔÚS3C2410ÉϵÄÒÆÖ²(1)(»ùÓÚGEC2410)

1.ÏÂÔØlinux kernelÔ´´úÂë
µ½http://www.kernel.org/ÏÂÔØlinuxÄÚºËÔ´´úÂë,ÕâÀïÎÒÃÇʹÓÃ2.6.24.4µÄÄÚºË.
½âѹlinux-2.6.24.4.tar.bz2
[matt@localhost GEC2410]$ tar -xvjf linux-2.6.24.4.tar.bz2
[matt@localhost GEC2410]$ cd linux-2.6.24.4
2.ÐÞ¸ÄMakefile,ÉèÖý»²æ±àÒëÆ÷
ARCH  ?= arm
CROSS_COMPILE ?= /home/GEC2410/toolchain/arm-softfloat-linux-gnu/bin/arm-softfloat-linux-gnu-
3.ÉèÖÃNand·ÖÇø
ÐÞ¸Äarch/arm/plat-s3c24xx/common-smdk.cÖÐ108ÐеÄsmdk_default_nand_part[]ÈçÏÂ:
[matt@localhost linux-2.6.24.4]$ vim arch/arm/plat-s3c24xx/common-smdk.c
static struct mtd_partition smdk_default_nand_part[] = {
#if 0
[0] = {
.name = "Boot Agent",
.size = SZ_16K,
.offset = 0,
},
[1] = {
.name = "S3C2410 flash partition 1",
.offset = 0,
.size = SZ_2M,
},
[2] = {
.name = "S3C2410 flash partition 2",
.offset = SZ_4M,
.size = SZ_4M,
},
[3] = {
.name = "S3C2410 flash partition 3",
.offset = SZ_8M,
.size = SZ_2M,
},
[4] = {
.name = "S3C2410 ......

linux 2.6.24ÔÚS3C2410ÉϵÄÒÆÖ²(1)(»ùÓÚGEC2410)

1.ÏÂÔØlinux kernelÔ´´úÂë
µ½http://www.kernel.org/ÏÂÔØlinuxÄÚºËÔ´´úÂë,ÕâÀïÎÒÃÇʹÓÃ2.6.24.4µÄÄÚºË.
½âѹlinux-2.6.24.4.tar.bz2
[matt@localhost GEC2410]$ tar -xvjf linux-2.6.24.4.tar.bz2
[matt@localhost GEC2410]$ cd linux-2.6.24.4
2.ÐÞ¸ÄMakefile,ÉèÖý»²æ±àÒëÆ÷
ARCH  ?= arm
CROSS_COMPILE ?= /home/GEC2410/toolchain/arm-softfloat-linux-gnu/bin/arm-softfloat-linux-gnu-
3.ÉèÖÃNand·ÖÇø
ÐÞ¸Äarch/arm/plat-s3c24xx/common-smdk.cÖÐ108ÐеÄsmdk_default_nand_part[]ÈçÏÂ:
[matt@localhost linux-2.6.24.4]$ vim arch/arm/plat-s3c24xx/common-smdk.c
static struct mtd_partition smdk_default_nand_part[] = {
#if 0
[0] = {
.name = "Boot Agent",
.size = SZ_16K,
.offset = 0,
},
[1] = {
.name = "S3C2410 flash partition 1",
.offset = 0,
.size = SZ_2M,
},
[2] = {
.name = "S3C2410 flash partition 2",
.offset = SZ_4M,
.size = SZ_4M,
},
[3] = {
.name = "S3C2410 flash partition 3",
.offset = SZ_8M,
.size = SZ_2M,
},
[4] = {
.name = "S3C2410 ......
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