[ Pobierz całość w formacie PDF ]
.2.Insert a Zip disk into your Zip drive.3.Create the directory (such as /mnt/zip) where you d like to access the contents ofyour Zip disk, like this:# mkdir /mnt/zip4.Use the insmod command to load kernel module support for the Zip drive, like this:# insmod scsi_mod# insmod sd_mod# insmod parport# insmod parport_pc# insmod ppa 05 526-2 CH03 8/26/99 10:38 AM Page 65Post-Installation Issues 65This loads SCSI support (the Zip drive uses a low-level SCSI protocol), support forsharing the parallel port, and support for the Zip drive.After you load the ppa mod-ule, you should hear your Zip drive activate.You can then use the mount command,along with a filesystem type, device name (/dev/sda), and mount point, like this:# mount t vfat /dev/sda4 /mnt/zip5.To unmount the Zip disk, use the umount command, followed by the mount point,like this:# umount /mnt/zipUsers of the Iomega Zip Plus or Zip 250 drive will need to use the imm.omodule and will not be able to share the parallel port with a printer whenusing the Zip drive.If you use an original Zip parallel-port drive, you can use3the Zip disk and print at the same time.After you ve verified that your Zip drive works, you can then use the Kernel utility underCOAS to load your Zip drive s modules when booting.SummaryThis hour provided a step-by-step approach to configuring X11 for your computer svideo card and monitor.Use this hour as the starting point for fine-tuning your X11 con-figuration.Q&AQ Help! My XFree86 only gives me a resolution of 320 by 200!A It s possible that you picked the wrong resolution during your OpenLinux installa-tion.Make sure to test various X11 modes during the OpenLinux install to get thebest resolution possible with the most colors.You can also try reconfiguring X11with the xf86config command and start X11 again.Pay close attention to the val-ues you enter for your monitor s horizontal and vertical frequencies, and don t for-get to edit your XF86Config file s Device section to set the correct amount of videoRAM.If you have one of the latest and greatest video cards, the card might not besupported by XFree86 just yet.Chances are also good that the next release ofXFree86 s X11 distribution will contain fixes for your graphics cards. 05 526-2 CH03 8/26/99 10:38 AM Page 6666 Hour 3Exercises1.Start the xvidtune client , and then use its controls to fine-tune your X11 settings.See if you can get a better image on your display.2.Try starting an X11 session at different color depths.Does your display look anydifferent?3.Try mounting, reading from, and writing to a Zip drive.Navigate tohttp://www.torque.net/.4.Scroll through your XF86Config file while reading the XF86Config man page. 06 526-2 Part 2 8/26/99 10:39 AM Page 67PART IILearning Linux BasicsHour4 Reading and Navigation Commands5 Manipulation and Searching Commands6 Using the Shell7 Using the X Window System8 Exploring the K Desktop Environment 06 526-2 Part 2 8/26/99 10:39 AM Page 68 07 526-2 CH04 8/26/99 10:40 AM Page 69HOUR 4Reading and NavigationCommandsThis hour introduces you to the basic Linux commands used for navigating,searching, and reading files and directories of the file system, your Linuxpartition s collection of directories.After working through the material,you ll know how to get help on commands, find out where you are in Linux,and find files on your hard drive.The hour starts with navigating and search-ing your directory, and then moves on to show you how to read directoriesand files.But first, you ll learn how to help yourself with the man command.Getting Help with the man CommandOne of the first things to know about Linux is that help is never far away.Like most implementations of UNIX, your Linux distribution comes withmanual pages for most programs, utilities, commands, and programmingsystem calls.You can get information about nearly any command, includingman.For example, read the manual page for the man command by typing thefollowing:# man man 07 526-2 CH04 8/26/99 10:40 AM Page 7070 Hour 4Manual pages started as one-page UNIX command summaries.The file for each manualpage is named with a single-digit extension and placed in a subdirectory under /usr/man.Manual pages for many OpenLinux commands are copied to your computer s hard driveduring the initial installation process or when you later install an individual program.Forexample, the manual page for man is named and found as follows:/usr/man/man1/man.1.gzThe name of the manual page for the man command is man.1, but the exten-sion.gz indicates that the man.1 file has been compressed with the gzipcommand.The man command automatically decompresses the file before dis-playing the manual page.For more information about compressed files, seethe section Compressing and Uncompressing Files in Hour 5, Manipulation and Searching Commands. There are more than 1,000 manual page files under the /usr/man/man1 directory
[ Pobierz całość w formacie PDF ]
