??? UNIX???????

1
??????

• ????????????????

???? ???
2
??? UNIX???????

• 3.1 Unix????????
• ?? Unix???
• 1?Solaris? Microsystem SUN????? SUN????
  SUN???? Unix?????2?SCO Unix?3?Linux?

3
??? UNIX???????

• ????????
• Shell???
• ?????
• ?????
• ??shell???
• ???????
• ????????????
• ??????,??????
• ??shell??

4
??? UNIX???????

• 1??????
• 2????
• 3?????
• 4??????????

5
??? UNIX???????

• ??unix??????(???)
• 1???????????
• -rwx r-x r-x
• ???????(???)???????,????rwx???
• -?????? d ???? c?????? b?????

6
??? UNIX???????

• 2????????
• Chmod
• 3???????????
• Chown
• chgrp
• 4?setUID?setGID???

7
??? UNIX???????

• 3?7 Unix???
• ??Unix ????????????
• 1??????????
• 2? Unix ???????
• (1)???????
• (2)?????????,?????????0???(swap),1???(????????
  ?????)

8
??? UNIX???????

• ??inittab ??---?????
• ??????init?????????
• ?????????
• ????????????????????shell??????????????????

9
??? UNIX???????

• 3?8 ??Unix???????
• 1?telne??
• 2????????
• 3?ftp?????
• 3?9 Linux??