Linux ????(???)

1
Linux ????(???)

• ?? Pank
• 2006-02-21
• http//pank.org

2
Install Linux

• ?? Distro (Distribution)
• ?? Fedora Core Linux ? Mandriva Linux
• http//ftp.isu.edu.tw/pub/Linux/
• ???? ? ????
• ???? ??????? /?swap
• ???? /?/var?/usr?/home?swap
• ?Windows?? ??Windows
• ?????? ?????34G
• ?? X Windows?? GNOME?KDE?IceWM

3
Boot Loader

• Grub
• /boot/grub/menu.lst
• Lilo
• /etc/lilo.conf
• Grub is better

4
Run Level

• 0 - halt (Do NOT set initdefault to this)
• 1 - Single user mode
• 2 - Multiuser, without NFS (The same as 3, if you
  do not have networking)
• 3 - Full multiuser mode
• 4 - unused
• 5 - X11
• 6 - reboot (Do NOT set initdefault to this)

5
Boot Procedure

• Boot Loader
• Kernel
• initrd (optional)
• init
• /etc/inittab
• /etc/rc.d/rc.sysinit
• /etc/rc.d/rc3.d/ (3 is run level)
• /etc/rc.local
• X Window
• Display Manager or Desktop Manager (run level 5)

6
Keyboard Control

• CtrlAltF1F6 Switch console
• CtrlAltF7 X Window console
• Tab Command line auto-complete
• ??? Edit history command
• ShiftPgUp/PgDn Scroll screen

7
Mouse Control

• Mark ???
• ?????????????

8
File Structure (1)

• /bin binary,core utilities
• /boot kernel?initrd
• /dev device file
• /etc config
• /lib main library?glibc
• /proc process file system
• /sbin system binary
• /tmp temp directory
• /usr non-system applications?library
• /var log?spool?database

9
File Structure (2)

• /home user home directory
• /home/pank
• /mnt mounting directory
• /root super user root directory
• Others
• /initrd initrd mounting directory
• /opt some program install to /opt

10
File System

• EXT2
• EXT3 EXT2?????
• ReiserFS Hans Reiser??
• XFS SGI????
• JFS IBM??

11
File Access Permissions

• Everyone?Group?Owner
• Read?Write?eXecute
• r4?w2?x1
• rwx7
• File Permission777, Everyone can
  read?write?execute
• chmod 644 file
• chmod 755 file
• chmod 777 file

12
Devices

• No C D E