网络操作系统Linux(第7-8章)

[e-mail]2005RedHatLinux787LinuxLinuxUNIX/LinuxIFCBFCB4886248-6=42512512/48=10FCB512/8=64512/42=1212813211(1+13)/2=7(1+2)/2+1=2.5Linux/usr/wangk/source.txt1$ln/usr/wangk/source.txt/usr/zhang/new1.txt$rm/usr/wangk/source.txt()$cat/usr/zhang/new1.txt()/usr/wangk/usr/zhang……Source.txt…………New1.txt……I-nodeSouthwestnormaluniversity/usr/wang/usr/zhang……Source.txt…………New1.txt……I-nodeI-nodeSouthwestnormaluniversity/usr/wang/source.txtDeviceDosDevices......A:...\Floppy0wangExam1.cA:\wang\exam1.c\Device\Floppy0Exam2.c\Device\Floppy0\wang\exam1.c7.1Linux•7.1.1LinuxDOS•7.1.2Linux7.2Linux•7.2.1•7.2.2•7.2.3otherreadwriteexecutiongroupuserall7.3ext3•7.3.1•7.3.2ext2•7.3.3ext37.3.2ext2•Ext2–1993RemyCardExt2(SecondExtendedFileSystem)–blockgroup–i-nodeLinuxi-nodei-nodeI-node7.3.2ext2•Ext27.3.2ext2•Ext2super-block7.3.2ext2•Ext27.3.2ext2•Ext2i-node7.3.2ext2•144i2i1I-nodeVery_long_namefile7.3.2ext2•Ext2–mke2fs–e2fsck–tune2fs–dumpe2fs–debugfs7.3.2ext2•–mountumount–dfdu–mkdirrmdir–ls–ln–find–fdisk•–dumprestore–tarVFS•VFSI/OSytemcallinterfaceVFSExt2FSDosFSNTFSBufferCacheDeviceDriverLinuxKernelHarewareSystemcallI/OrequestDiskControlerVFS•mountVFSsuperblockVFS•VFSI-nodeVFSI-nodeVFSI-nodeVFSI-node7.4•7.4.1mount•7.4.2umount•7.4.3/etc/fstab•–#badblocks/dev/hd0H14401440bad-blocks•–#fsck–text2–lbad-blocks/dev/fd0H1440fsckmountWindows•–#mount–tvfat–oiocharset=gb2312/dev/hda1/mnt/G•–#cd/root/.kde/Autostart–#geditmountwin.sh–mount–tvfat–oiocharset=gb2312/dev/hda1/mnt/GCD-ROM•–#mount–tiso9660–oiocharset=cp936/dev/cdrom/mnt/cdromUdisk•–#mount–tvfat–oiocharset=cp936/dev/sda1/mnt/Udiskfloppy•#mount–tmsdos–oiocharset=cp936/dev/fd0/mnt/floppy•#fdformat/dev/fd0H1440•ext2#mkfs-text2/dev/fd0•FAT16#mkfs-tmsdos/dev/fd07.5ext3•7.5.1partedmkpart•7.5.2mkfs•7.5.3partedrm•7.5.4partedresize7.6ext3•/sbin/tune2fs–j/dev/hdax7.7ext27.8•7.8.1–#ddif=/dev/zeroof=/extra-swapbs=1024count=1024–#mkswap/extra-swap1024–#swapon/extra-swap•7.8.2–#fdiskhda–#mkswap/hda41234–#swapon/hda47.8•7.8.3–#swapoff/extra-swap–#swapoff/hda47.9•#fdisk–l//Listpartitiontables•#du–hs//DiskUsagereport•#df-h//DiskFreereport•LinuxLinux•––tar•Linuxdd–floppy-image#ddif=/dev/fd0H1440of=floppy-image–floppy-image#ddif=floppy-imageof=/dev/fd0H1440•[e-mail]200588.1ShellDOS8.2man8.3•8.3.1–#ls–#pwd–#cd–#dir•8.3.2–#cat–#more–#ls–#cut–#find–#locate–#touch–#split–#head–#tail•8.3.3–#lpr–#lprm–#lpd–#lpq8.4•8.4.1–#mkdir–#rmdir•8.4.2–#rm–#mv–#cp–#ln•8.4.3–#chmod–#chown•8.4.4–#tar–#gzip–#compress8.4•8.3.5–#chmod–#chown•8.3.6–#mkdir–#rmdir–#rm–#mv–#cp–#ln