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Ô¶³ÌµÇÈ룺ssh che@192.168.1.111
1.Ìí¼ÓÓû§£ºuseradd cheyanbing
2.ÐÞ¸ÄÃÜÂ룺passwd cheyanbing
3.mkdir /cd /cd .. /cd -/
4.»Øµ½Óû§Ö÷Ŀ¼£ºcd / cd ~
5.cd /home/he
6.mkdir -p www/pro
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  scp che@192.168.1.111:/home/che/test
che@192.168.1.133:/home/che/
     
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chmod rwxr-xw-x test.txt
chmod o+r  test.txt
chmod u+w test.txt
chmod g+r test.txt
chmod 755 test.txt
chmod -R  755 test //½«testĿ¼ÏÂËùÓÐÎļþȨÏÞ¸ÄΪ755
chown steven:steven  test.txt //¸Ä±äÓµÓÐÕߺÍ×é
chgrp //µ¥´¿¸Ä×é
Îļþ²Ù×÷
¸´ÖÆÎļþ cp
cp   t1 t2
cp t1 fv/
cp -R fv1 fv2
¼ôÌùÎļþ
mv t1 t2 //Ï൱ÓÚ¸ÄÃû
mv  t1 fv/
mv fv1 fv2/
ɾ³ýÎļþ
rm t1
rm -r fv
rm -rf fv1
´´½¨Îļþ
touch t1
vi t1
ftpÃüÁî
ftp ipµØÖ·
lftp ipµØÖ· (ÓÃÀ´ÄäÃûµÇ¼)
½âѹËõ
³£¼ûµÄÓÐgzip(.tar.gz)/bzip(.tar.bz2)
a.ÓÃgzip¸ñÊ½Ñ ......

Linux TTY Çý¶¯

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http://blog.csdn.net/dongliqiang2006/archive/2009/09/05/4523563.aspx
 
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ÔÚLinuxÖÐÊÇ×÷Ϊһ¸öÎļþÀ´³öÏֵģ¬ËùÓжÔ×Ö·ûÉ豸µÄ²Ù×÷¶¼ÊÇͨ¹ýfile_operations½Ó¿ÚÀ´½øÐеģº
struct cdev {
struct kobject kobj;
struct module *owner;
const struct file_operations *ops;
struct list_head list;
dev_t dev;
unsigned int count;
};
void cdev_init(struct cdev *, const struct file_operations *);
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static struct kobj_map *cdev_map;
int cdev_add(struct cdev *, dev_t, unsigned);
cdev_mapÓ¦¸ÃÊÇËùÓÐcdevµÄÒ»¸ö¼¯ºÏ£¬cdev_addº¯Êý¸ºÔð°ÑÖ¸¶¨µÄcdev¼ÓÈëµ½Õâ¸ö¼¯ºÏÖУ¬ÒÔ±ãÒÔºóµÄ²éѯ
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    ÔÚÃüÁîÐÐÉϰѱê×¼Êä³öÖØ¶¨Ïòµ½¶Ë¿Ú¶ÔÓ¦µÄÉ豸ÎļþÃûÉϾͿÉÒÔͨ¹ý¸Ã¶Ë¿Ú·¢ËÍÊý¾Ý£¬ÀýÈ磬ÔÚÃüÁîÐÐÌáʾ·ûϼüÈ룺 echo test > /dev/ttyS1»á°Ñµ¥´Ê“test”·¢Ë͵½Á¬½ÓÔÚttyS1¶Ë¿ÚµÄÉ豸ÉÏ¡£ 
2.αÖÕ¶Ë£¨/dev/pty/£© 
    Î±ÖÕ¶Ë£¨Pseudo Terminal£©ÊdzɶԵÄÂß¼­ÖÕ¶ËÉ豸£¬²¢ ......

Linux±à¼­Æ÷viʹÓ÷½·¨Ïêϸ½éÉÜ

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    1) ÃüÁîÐÐģʽcommand mode£©
¡¡¡¡¿ØÖÆÆÁÄ»¹â±êµÄÒÆ¶¯£¬×Ö·û¡¢×Ö»òÐеÄɾ³ý£¬Òƶ¯¸´ÖÆÄ³Çø¶Î¼°½øÈëInsert modeÏ£¬»òÕßµ½ last line mode¡£
    2) ²åÈëģʽ£¨Insert mode£©
¡¡¡¡Ö»ÓÐÔÚInsert modeÏ£¬²Å¿ÉÒÔ×öÎÄ×ÖÊäÈ룬°´¡¸ESC¡¹¼ü¿É»Øµ½ÃüÁîÐÐģʽ¡£
    3) µ×ÐÐģʽ£¨last line mode£©
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    ²»¹ýÒ»°ãÎÒÃÇÔÚʹÓÃʱ°Ñvi¼ò»¯³ÉÁ½¸öģʽ£¬¾ÍÊǽ«µ×ÐÐģʽ£¨last line mode£©Ò²ËãÈëÃüÁîÐÐģʽcommand mode£©¡£
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eoiioe ÐéÄâ»úÏÂLinux:no link present,check cable

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      ÎÞ·¨¼¤»î£¬ÔÚÊäÈëifup eth0ºó×ÜÌáʾ£º
      Dertermining IP information for eth0....failed - no link present check cable
      ½â¾ö°ì·¨£º
      ÔÚ /etc/sysconfig/network-scripts/ifcfg-eth0
      ÖÐÌí¼ÓÒÔÏÂscript£º
      check_link_down() {
      return 1;
      }
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      [root@localhost root]# cd /etc/sysconfig/network-scripts/
      [root@localhost network-scripts]# vi ifcfg-eth0
      # Pl ......

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scp files user@server:filepath
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user ·þÎñ¶ËµÇ¼Óû§Ãû
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filepath ÉÏ´«µ½·þÎñÆ÷µÄÄ¿±ê·¾¶£¨ÕâÀï×¢Òâ´ËÓû§Ò»¶¨ÒªÓÐÕâ¸ö·¾¶µÄ¶ÁдȨÏÞ£©
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scp user@server:files client_file_path
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server ·þÎñÆ÷Ãû£¨IP»òÓòÃû£©
files ´ýÏÂÔØµÄÎļþ
client_file_path ÏÂÔØµ½±¾µØµÄ´æ·Å·¾¶
linux
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lftp -c "pget -n 5 http://downpath"
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lftp ÎļþÏÂÔØÃüÁͨ¹ýftpͨµÀ´«Êä
pget -n 5 OÒ²²»Çå³þÕâÀïµÄÒâÒå £­£ß£­
http://downpath ´ýÏÂÔØÎļþµÄÁ¬½ÓµØÖ·
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