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精品文档-下载后可编辑([\u@\h\W]\#)在移植根文件系统时的处理方法
现在我们经常会用busybox生成根文件系统,可是根文件系统起来以后命令行提示符只有一个“#”号,没有像linux发行版那样是[user@hostnamecurrentpath]#,那么我们这里就说说如何让我们的根文件系统按这个方式显示。
要修改命令行提示符,首先我们需要知道一个环境变量PS1,我们可以查看bash的帮助文档查看关于PS1的说明:
bash有两级命令提示符,我们这里说的是级,这缺省的提示符是字符“$”(超级用户是“#”),我们可以通过修改PS1修改这个提示符,格式为:
PS1=“commandlist”
命令列表有很多参数如下:
\!显示该命令的历史记录编号。
\#显示当前命令的命令编号。
\$显示$符作为提示符,如果用户是root的话,则显示#号。
\\显示反斜杠。
\d显示当前日期。
\h显示主机名。
\n打印新行。
\nnn显示nnn的八进制值。
\s显示当前运行的shell的名字。
\t显示当前时间。
\u显示当前用户的用户名。
\W显示当前工作目录的名字。
\w显示当前工作目录的路径
我们查看我们发行版linux中的PS1.
$echoecho$PS1
[\u@\h\W]\$
看了发行版是如何显示命令行提示符,那么我们再看一下为什么我们做的根文件系统只显示一个#,用busybox生成的根文件系统使用的是ash,我们看下busybox中关于ash的文件。
在busybox-1.15.4/shell/ash.h中有这样的语句
/*
*PS1dependsonuid
*/
#ifENABLE_FEATURE_EDITING&&ENABLE_FEATURE_EDITING_FANCY_PROMPT
vps1.text=“PS1=\\w\\$”;
#else
if(!geteuid())
vps1.text=“PS1=#”;
#endif
结合上面PS1参数我们可以看出在busybox生成的根文件系统中可能出现两种显示方式,一种是“currentpath$”另一种是“#”这两种显示在较老的版本中都有。
按照上面的方法修改我们的根文件系统中的命令行提示符。首先我们需要修改buxybox中配置,添加如下两个选项:
BusyboxSettings>
BusyboxLibraryTuning>
[*]Usernamecompletion
[*]Fancyshellprompts
如果不选择上面两项,文件系统是不是别PS1这个环境变量的参数的。
创建/etc/hostname添加如下内容(我们的主机名):
farsight
修改/etc/init.d/rcS添加如下内容(导入主机名配置文件):
/bin/hostname–F/etc/hostname
修改根文件系统中/etc/profile文件添加如下内容:
HOSTNAM=`/bin/hostname`
PS1=`[\u@\h\W]\#`
exportPS1HOSTNAME
创建/etc/passwd添加如下内容:
root:x:0:0:root:/root:/bin/sh
这个时候我们重新启动我们的开发板会发现命令行提示符已经是我们想要的那种现实了:
[root@farsight/etc]#
给出我的实验过程的打印信息
SLUB:Genslabs=11,HWalign=32,Order=0-3,MinObjects=0,CPUs=1,Nodes=1
HierarchicalRCUimplementation.
RCU-baseddetectionofstalledCPUsisdisabled.
Verbosestalled-CPUsdetectionisdisabled.
NR_IRQS:85
irq:clearingsubpendingstatus00000002
Console:colourdummydevice80x30
console[ttySAC0]enabled
Calibratingdelayloop…201.93BogoMIPS(lpj=504832)
pid_max:default:32768minimum:301
Mount-cachehashtableentries:512
CPU:Testingwritebuffercoherency:ok
NET:Registeredprotocolfamily16
MINI2440:Optionstringmini2440=0tb
MINI2440:'t'ignored,touchscreennotcompiledin
MINI2440:LCD[0:240x320]1:800x4802:1024x768
S3C2440:Initialisingarchitecture
S3C2440:IRQSupport
S3C24XXDMADriver,Copyright2003-2006SimtecElectronics
DMAchannel0atc4808000,irq33
DMAchannel1atc4808040,irq34
DMAchannel2atc4808080,irq35
DMAchannel3atc48080c0,irq36
S3C244X:ClockSupport,DVSoff
bio:createslab<bio-0>at0
usbcore:registerednewinterfacedriverusbfs
usbcore:registerednewinterfacedriverhub
usbcore:registerednewdevicedriverusb
s3c-i2cs3c2440-i2c:slaveaddress0x10
s3c-i2cs3c2440-i2c:busfrequencysetto98KHz
s3c-i2cs3c2440-i2c:i2c-0:S3CI2Cadapter
AdvancedLinuxSoundArchitectureDriverVersion1.0.23.
NET:Registeredprotocolfamily2
IProutecachehashtableentries:1024(order:0,4096bytes)
TCPestablishedhashtableentries:2048(order:2,16384bytes)
TCPbindhashtableentries:2048(order:1,8192bytes)
TCP:Hashtablesconfigured(established2048bind2048)
TCPrenoregistered
UDPhashtableentries:256(order:0,4096bytes)
UDP-Litehashtableentries:256(order:0,4096bytes)
NET:Registeredprotocolfamily1
RPC:Registeredudptransportmodule.
RPC:Registeredtcptransportmodule.
RPC:RegisteredtcpNFSv4.1backchanneltransportmodule.
JFFS2version2.2.(NAND)漏2001-2006RedHat,Inc.
ROMFSMTD(C)2007RedHat,Inc.
msgmnihasbeensetto118
ioschedulernoopregistered
ioschedulerdeadlineregistered
ioschedulercfqregistered(default)
Console:switchingtocolourframebufferdevice60x53
fb0:s3c2410fbframebufferdevice
s3c2440-uart.0:s3c2410_serial0atMMIO0x50000000(irq=70)isaS3C2440
s3c2440-uart.1:s3c2410_serial1atMMIO0x50004000(irq=73)isaS3C2440
s3c2440-uart.2:s3c2410_serial2atMMIO0x50008000(irq=76)isaS3C2440
brd:moduleloaded
at240-0050:1024byte24c08EEPROM(writable)
S3C24XXNANDDriver,(c)2004SimtecElectronics
s3c24xx-nands3c2440-nand:Tacls=1,9nsTwrph0=329ns,Twrph1=219ns
s3c24xx-nands3c2440-nand:NANDsoftECC
NANDdevice:ManufacturerID:0xec,ChipID:0x76(SamsungNAND64MiB3,3V8-bit
)
Creating4MTDpartitionson“nand”:
0x000000000000-0x000000050000:“u-boot”
0x000000050000-0x000000060000:“u-boot-env”
0x000000060000-0x000000560000:“kernel”
0x000000560000-0x000004000000:“root”
UBI:attachingmtd3toubi0
UBI:physicaleraseblocksize: 16384bytes(16KiB)
UBI:logicaleraseblocksize: 15872bytes
UBI:smallestflashI/Ounit: 512
UBI:subsize: 256
UBI:VIDheaderoffset: 256(aligned256)
UBI:dataoffset: 512
UBI:max.sequencenumber: 1307
UBI:attachedmtd3toubi0
UBI:MTDdevicename: “root”
UBI:MTDdevicesize: 58MiB
UBI:numberofgoodPEBs: 3752
UBI:numberofbadPEBs: 0
UBI:max.allowedvolumes: 92
UBI:wear-levelingthreshold: 4096
UBI:numberofinternalvolumes:1
UBI:numberofuservolumes: 1
UBI:availablePEBs: 0
UBI:totalnumberofreservedPEBs:3752
UBI:numberofPEBsreservedforbadPEBhandling:37
UBI:max/meanerasecounter:4/1
UBI:imagesequencenumber: 0
UBI:backgroundthread“ubi_bgt0d”started,PID677
dm9000EthernetDriver,V1.31
dm9000dm9000:eth%d:InvalidethernetMACaddress.Pleasesetusingifconfig
eth0:dm9000eatc4886300,c488a304IRQ51MAC:00:00:00:00:00:00(chip)
ohci_hcd:USB1.1'Open'HostController(OHCI)Driver
s3c2410-ohcis3c2410-ohci:S3C24XXOHCI
s3c2410-ohcis3c2410-ohci:newUSBbusregistered,assignedbusnumber1
s3c2410-ohcis3c2410-ohci:irq42,iomem0x49000000
hub1-0:1.0:USBhubfound
hub1-0:1.0:2portsdetected
usbcore:registerednewinterfacedriverlibusual
s3c2440-usbgadgets3c2440-usbgadget:S3C2440:increasingFIFOto128bytes
mice:PS/2mousedevicecommonforallmice
input:gpio-keysas/devices/platform/gpio-keys/input/input0
S3C24XXRTC,(c)2004,2006SimtecElectronics
s3c-rtcs3c2410-rtc:rtcdisabled,re-enabling
s3c-rtcs3c2410-rtc:rtccore:registereds3casrtc0
i2c/deventriesdriver
S3C2410WatchdogTimer,(c)2004SimtecElectronics
s3c2410-wdts3c2410-wdt:watchdoginactive,resetdisabled,irqenabled
cpuidle:usinggovernorladder
sdhci:SecureDigitalHostControllerInterfacedriver
sdhci:Copyright(c)PierreOssman
s3c-sdis3c2440-sdi:powereddown.
s3c-sdis3c2440-sdi:mmc0-usingpio,swSDIOIRQ
usbcore:registerednewinterfacedriverhiddev
usbcore:registerednewinterfacedriverusbhid
usbhid:USBHIDcoredriver
NodeviceforDAIUDA134X
NodeviceforDAIs3c24xx-i2s
S3C24XX_UDA134XSoCAudiodriver
UDA134XSoCAudioCodec
asoc:UDA134X<->s3c24xx-i2smappingok
ALSAdevicelist:
#0:S3C24XX_UDA134X(UDA134X)
TCPcubicregistered
NET:Registeredprotocolfamily17
Registeringthedns_resolverkeytype
s3c-rtcs3c2410-rtc:settingsystemclockto2000-05-1301:01:51UTC(958179711)
UBIFS:recoveryneeded
UBIFS:recoverycompleted
UBIFS:mountedUBIdevice0,volume0,name“rootfs”
UBIFS:filesystemsize: 58440704bytes(57071KiB,55MiB,3682LEBs)
UBIFS:journalsize: 8110592bytes(7920KiB,7MiB,511LEBs)
UBIFS:mediaformat: w4/r0(latestisw4/r0)
UBIFS:defaultcompressor:lzo
UBIFS:reservedforroot: 0bytes(0KiB)
VFS:Mountedroot(ubifsfilesystem)ondevice0:13.
Freeinginitmemory:136K
/etc/init.d/rcS:line20:tarp:notfound
ifconfig:SIOCSIFFLAGS:Cannotassignrequestedaddress
ln:tty0:Fileexists
PleasepressEntertoactivatethisconsole.
[\u@\h\W]\#
[\u@\h\W]\#
[\u@\h\W]\#
[\u@\h\W]\#tftpubifs11.img
BusyBoxv1.13.3(2010-06-0422:52:32CST)multi-callbinary
Usage:tftp[OPTION]…HOST[PORT]
Transferafilefrom/totftpserver
Options:
-lFILELocalFILE
-rFILERemoteFILE
-g Getfile
-p Putfile
-bSIZETransferblocksofSIZEoctets
[\u@\h\W]\#tftpubifs11.img
U-Boot2010.06-rc1-00073-g54841ab-dirty(Jan102011-17:27:06)
DRAM: 64MiB
Flash:2MiB
NAND: 64MiB
In: serial
Out: serial
Err: serial
Net: dm9000
archtype:1999
Hitanykeytostopautoboot: 0
[mini2440]#
[mini2440]#
[mini2440]#tftpubifs11.img
dm9000i/o:0x20000300,id:0x90000a46
DM9000:runningin16bitmode
MAC:08:00:3e:26:0a:5b
operatingatunknown:0mode
Usingdm9000device
TFTPfromserver0;ourIPaddressis
Filename'ubifs11.img'.
Loadaddress:0x30008000
Loading:T#################################################################
#################################################################
#################################################################
#################################################################
###################
done
Bytestransferred=4094976(3e7c00hex)
[mini2440]#ubiwrite0x30008000rootfs0x3e7c00
mtdpartsvariablenotset,see'helpmtdparts'
Error,noUBIdevice/partitionselected!
[mini2440]#mtdpart
mtdpartsvariablenotset,see'helpmtdparts'
nopartitionsdefined
defaults:
mtdids :nand0=nandflash0
mtdparts:mtdparts=nandflash0:320k@0(uboot),64k(params),5m(kernel),-(root)
[mini2440]#mtdpartdefault
[mini2440]#mtdpart
devicenand0<nandflash0>,#parts=4
#:name size offset mask_flags
0:uboot 0x00050000 0x00000000 0
1:params 0x00010000 0x00050000 0
2:kernel 0x00500000 0x00060000 0
3:root 0x03aa0000 0x00560000 0
activepartition:nand0,0-(uboot)0x00050000@0x00000000
defaults:
mtdids :nand0=nandflash0
mtdparts:mtdparts=nandflash0:320k@0(uboot),64k(params),5m(kernel),-(root)
[mini2440]#nanderaseroot
NANDerase:device0offset0x560000,size0x3aa0000
Erasingat0x3ffc00000000000-- 0%complete.
OK
[mini2440]#ubipartroot
Creating1MTDpartitionson“nand0”:
0x5600003304698c-0x400000000000000:“<NULL>”
UBI:attachingmtd1toubi0
UBI:physicaleraseblocksize: 16384bytes(16KiB)
UBI:logicaleraseblocksize: 15872bytes
UBI:smallestflashI/Ounit: 512
UBI:subsize: 256
UBI:VIDheaderoffset: 256(aligned256)
UBI:dataoffset: 512
UBI:emptyMTDdevicedetected
UBI:createvolumetable(copy#1)
UBI:createvolumetable(copy#2)
UBI:attachedmtd1toubi0
UBI:MTDdevicename: “mtd=3”
UBI:MTDdevicesize: 249108103168MiB
UBI:numberofgoodPEBs: 3752
UBI:numberofbadPEBs: 0
UBI:max.allowedvolumes: 92
UBI:wear-levelingthreshold: 4096
UBI:numberofinternalvolumes:1
UBI:numberofuservolumes: 0
UBI:availablePEBs: 3711
UBI:totalnumberofreservedPEBs:41
UBI:numberofPEBsreservedforbadPEBhandling:37
UBI:max/meanerasecounter:1/0
[mini2440]#ubicreaterootfs
Creatingdynamicvolumerootfsofsize58900992
[mini2440]#tftpubifs22.img
dm9000i/o:0x20000300,id:0x90000a46
DM9000:runningin16bitmode
MAC:08:00:3e:26:0a:5b
operatingatunknown:0mode
Usingdm9000device
TFTPfromserver0;ourIPaddressis
Filename'ubifs22.img'.
Loadaddress:0x30008000
Loading:#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
#################################################################
done
Bytestransferred=20808192(13d8200hex)
[mini2440]#ubiwrite0x30008000roofs0x13d8200
roofsvolumenotfound
[mini2440]#mtdpart
devicenand0<nandflash0>,#parts=4
#:name size offset mask_flags
0:uboot 0x00050000 0x00000000 0
1:params 0x00010000 0x00050000 0
2:kernel 0x00500000 0x00060000 0
3:root 0x03aa0000 0x00560000 0
activepartition:nand0,0-(uboot)0x00050000@0x00000000
defaults:
mtdids :nand0=nandflash0
mtdparts:mtdparts=nandflash0:320k@0(uboot),64k(params),5m(kernel),-(root)
[mini2440]#ubiwrite0x30008000rootfs0x13d8200
Volume“rootfs”foundatvolumeid0
[mini2440]#boot
NANDread:device0offset0x60000,size0x500000
5242880bytesread:OK
##BootingkernelfromLegacyImageat30008000…
ImageName: LinuxKernelImage
Created: 2011-01-18 6:56:00UTC
ImageType: ARMLinuxKernelImage(uncompressed)
DataSize: 2218728Bytes=2.1MiB
LoadAddress:30008000
EntryPoint: 30008040
VerifyingChecksum…OK
XIPKernelImage…OK
OK
Startingkernel…
UncompressingLinux…done,bootingthekernel.
Linuxversion(root@songzi)(gccversion4.4.3(ctng-1.6.1))#5TueJa
n1814:50:35CST2011
CPU:ARM920T[41129200]revision0(ARMv4T),cr=c0007177
CPU:VIVTdatacache,VIVTinstructioncache
Machine:MINI2440
Memorypolicy:ECCdisabled,Datacachewriteback
CPUS3C2440A(id0x32440001)
S3C24XXClocks,Copyright2004SimtecElectronics
S3C244X:core405.000MHz,memory101.250MHz,peripheral50.625MHz
CLOCK:Slowmode(1.500MHz),fast,MPLLon,UPLLon
Built1zonelistsinZoneorder,mobilitygroupingon. Totalpages:16256
Kernelcommandline:ubi.mtd=3root=ubi0:rootfsconsole=ttySAC0,115200mem=64Mr
ootfstype=ubifsrw
PIDhashtableentries:256(order:-2,1024bytes)
Dentrycachehashtableentries:8192(order:3,32768bytes)
Inode-cachehashtableentries:4096(order:2,16384bytes)
Memory:64MB=64MBtotal
Memory:60440k/60440kavailable,5096kreserved,0Khighmem
Virtualkernelmemorylayout:
vector :0xffff0000-0xffff1000 ( 4kB)
fixmap :0xfff00000-0xfffe0000 (896kB)
DMA :0xffc00000-0xffe00000 ( 2MB)
vmalloc:0xc4800000-0xe0000000 (440MB)
lowmem :0xc0000000-0xc4000000 ( 64MB)
modules:0xbf000000-0xc0000000 ( 16MB)
.init:0xc0008000-0xc002a000 (136kB)
.text:0xc002a000-0xc03f4000 (3880kB)
.data:0xc040c000-0xc042dc80 (136kB)
SLUB:Genslabs=11,HWalign=32,Order=0-3,MinObjects=0,CPUs=1,Nodes=1
HierarchicalRCUimplementation.
RCU-baseddetectionofstalledCPUsisdisabled.
Verbosestalled-CPUsdetectionisdisabled.
NR_IRQS:85
irq:clearingsubpendingstatus00000003
irq:clearingsubpendingstatus00000002
Console:colourdummydevice80x30
console[ttySAC0]enabled
Calibratingdelayloop…201.93BogoMIPS(lpj=504832)
pid_max:default:32768minimum:301
Mount-cachehashtableentries:512
CPU:Testingwritebuffercoherency:ok
NET:Registeredprotocolfamily16
MINI2440:Optionstringmini2440=0tb
MINI2440:'t'ignored,touchscreennotcompiledin
MINI2440:LCD[0:240x320]1:800x4802:1024x768
S3C2440:Initialisingarchitecture
S3C2440:IRQSupport
S3C24XXDMADriver,Copyright2003-2006SimtecElectronics
DMAchannel0atc4808000,irq33
DMAchannel1atc4808040,irq34
DMAchannel2atc4808080,irq35
DMAchannel3atc48080c0,irq36
S3C244X:ClockSupport,DVSoff
bio:createslab<bio-0>at0
usbcore:registerednewinterfacedriverusbfs
usbcore:registerednewinterfacedriverhub
usbcore:registerednewdevicedriverusb
s3c-i2cs3c2440-i2c:slaveaddress0x10
s3c-i2cs3c2440-i2c:busfrequencysetto98KHz
s3c-i2cs3c2440-i2c:i2c-0:S3CI2Cadapter
AdvancedLinuxSoundArchitectureDriverVersion1.0.23.
NET:Registeredprotocolfamily2
IProutecachehashtableentries:1024(order:0,4096bytes)
TCPestablishedhashtableentries:2048(order:2,16384bytes)
TCPbindhashtableentries:2048(order:1,8192bytes)
TCP:Hashtablesconfigured(established2048bind2048)
TCPrenoregistered
UDPhashtableentries:256(order:0,4096bytes)
UDP-Litehashtableentries:256(order:0,4096bytes)
NET:Registeredprotocolfamily1
RPC:Registeredudptransportmodule.
RPC:Registeredtcptransportmodule.
RPC:RegisteredtcpNFSv4.1backchanneltransportmodule.
JFFS2version2.2.(NAND)漏2001-2006RedHat,Inc.
ROMFSMTD(C)2007RedHat,Inc.
msgmnihasbeensetto118
ioschedulernoopregistered
ioschedulerdeadlineregistered
ioschedulercfqregistered(default)
Console:switchingtocolourframebufferdevice60x53
fb0:s3c2410fbframebufferdevice
s3c2440-uart.0:s3c2410_serial0atMMIO0x50000000(irq=70)isaS3C2440
s3c2440-uart.1:s3c2410_serial1atMMIO0x50004000(irq=73)isaS3C2440
s3c2440-uart.2:s3c2410_serial2atMMIO0x50008000(irq=76)isaS3C2440
brd:moduleloaded
at240-0050:1024byte24c08EEPROM(writable)
S3C24XXNANDDriver,(c)2004SimtecElectronics
s3c24xx-nands3c2440-nand:Tacls=1,9nsTwrph0=329ns,Twrph1=219ns
s3c24xx-nands3c2440-nand:NANDsoftECC
NANDdevice:ManufacturerID:0xec,ChipID:0x76(SamsungNAND64MiB3,3V8-bit
)
Creating4MTDpartitionson“nand”:
0x000000000000-0x000000050000:“u-boot”
0x000000050000-0x000000060000:“u-boot-env”
0x000000060000-0x000000560000:“kernel”
0x000000560000-0x000004000000:“root”
UBI:attachingmtd3toubi0
UBI:physicaleraseblocksize: 16384bytes(16KiB)
UBI:logicaleraseblocksize: 15872bytes
UBI:smallestflashI/Ounit: 512
UBI:subsize: 256
UBI:VIDheaderoffset: 256(aligned256)
UBI:dataoffset: 512
UBI:max.sequencenumber: 1294
UBI:attachedmtd3toubi0
UBI:MTDdevicename: “root”
UBI:MTDdevicesize: 58MiB
UBI:numberofgoodPEBs: 3752
UBI:numberofbadPEBs: 0
UBI:max.allowedvolumes: 92
UBI:wear-levelingthreshold: 4096
UBI:numberofinternalvolumes:1
UBI:numberofuservolumes: 1
UBI:availablePEBs: 0
UBI:totalnumberofreservedPEBs:3752
UBI:numberofPEBsreservedforbadPEBhandling:37
UBI:max/meanerasecounter:4/1
UBI:imagesequencenumber: 0
UBI:backgroundthread“ubi_bgt0d”started,PID677
dm9000EthernetDriver,V1.31
eth0:dm9000eatc4886300,c488a304IRQ51MAC:08:00:3e:26:0a:5b(chip)
ohci_hcd:USB1.1'Open'HostController(OHCI)Driver
s3c2410-ohcis3c2410-ohci:S3C24XXOHCI
s3c2410-ohcis3c2410-ohci:newUSBbusregistered,assignedbusnumber1
s3c2410-ohcis3c2410-ohci:irq42,iomem0x49000000
hub1-0:1.0:USBhubfound
hub1-0:1.0:2portsdetected
usbcore:registerednewinterfacedriverlibusual
s3c2440-usbgadgets3c2440-usbgadget:S3C2440:increasingFIFOto128bytes
mice:PS/2mousedevicecommonforallmice
input:gpio-keysas/devices/platform/gpio-keys/input/input0
S3C24XXRTC,(c)2004,2006SimtecElectronics
s3c-rtcs3c2410-rtc:rtcdisabled,re-enabling
s3c-rtcs3c2410-rtc:rtccore:registereds3casrtc0
i2c/deventriesdriver
S3C2410WatchdogTimer,(c)2004SimtecElectronics
s3c2410-wdts3c2410-wdt:watchdoginactive,resetdisabled,irqenabled
cpuidle:usinggovernorladder
sdhci:SecureDigitalHostControllerInterfacedriver
sdhci:Copyright(c)PierreOssman
s3c-sdis3c2440-sdi:powereddown.
s3c-sdis3c2440-sdi:mmc0-usingpio,swSDIOIRQ
usbcore:registerednewinterfacedriverhiddev
usbcore:registerednewinterfacedriverusbhid
usbhid:USBHIDcoredriver
NodeviceforDAIUDA134X
NodeviceforDAIs3c24xx-i2s
S3C24XX_UDA134XSoCAudiodriver
UDA134XSoCAudioCodec
asoc:UDA134X<->s3c24xx-i2smappingok
ALSAdevicelist:
#0:S3C24XX_UDA134X(UDA134X)
TCPcubicregistered
NET:Registeredprotocolfamily17
Registeringthedns_resolverkeytype
s3c-rtcs3c2410-rtc:settingsystemclockto2000-05-1301:17:00UTC(958180620)
UBIFS:mountedUBIdevice0,volume0,name“rootfs”
UBIFS:filesystemsize: 58440704bytes(57071KiB,55MiB,3682LEBs)
UBIFS:journalsize: 8110592bytes(7920KiB,7MiB,511LEBs)
UBIFS:mediaformat: w4/r0(latestisw4/r0)
UBIFS:defaultcompressor:lzo
UBIFS:reservedforroot: 0bytes(0KiB)
VFS:Mountedroot(ubifsfilesystem)ondevice0:13.
Freeinginitmemory:136K
/etc/init.d/rcS:line20:tarp:notfound
eth0:linkup,100Mbps,full-duplex,lpa0x45E1
ln:tty0:Fileexists
PleasepressEntertoactivatethisconsole.
[root@songzi/]#
[root@songzi/]#
[root@songzi/]#ls
bin etc lib mnt root sys tty0
dev fs linuxrc proc sbin tmp usr
[root@songzi/]#ls
bin etc lib mnt root sys tty0
dev fs linuxrc proc sbin tmp usr
[root@songzi/]#?
-/bin/sh:?:notfound
[root@songzi/]#cdusr/
[root@songzi/usr]#ls
bin button helloworld listview pda_kero
bmpbkgnd dialogbox listbox local sbin
[root@songzi/usr]#./helloworld
IAL:Doesnotfin
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