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UNIX 入门讲座(三). UNIX 环境的 Internet 应用. 了解 Internet 如何使用 telnet 如何使用 FTP? 如何使用电子邮件? 其它常用命令. 系统开发工具. 了解 Internet. Internet 的背景知识 Internet 名字的基本知识 DNS 名字系统 如何与Internet连接. 了解 Internet —— 背景知识. Internet 的结构. 了解 Internet —— 背景知识. 历史简介. 美国国防部高级计划研究署( DARPA) 的一个项目发展来的 70年代 ARPANET 网发展迅速 - PowerPoint PPT Presentation
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UNIXUNIXInternetInternettelnetFTP
Internet InternetInternetDNSInternet
InternetInternet
Internet
DARPA70ARPANETTCP/IPARPANET1990ARPANET
InternetInternet
DNS[subdomain].[subdomain].[...].domain
InternetInternetcom edugov orgint milcn: ca : us:tw: hk: jp:fr: gb(uk): de:
InternetInternet edumis.tsinghua.edu.cn @ [email protected]
InternetInternetInternet
IP32 166.111.4.11
InternetDNSDNSIPIP
InternetDNSnslookupnslookup: nslookup [-option] [host] [-Nameserver] option host :ip nameserver:
InternetDNS -hostexit IP
InternetInternet
InternetInternet
Internettelnet
Telnet telnet [hostname] [port] hostname: port:23telnet sun5000 telnet 166.111.7.250 telnet edumis.tsinghua.edu.cn 3000
telnet Trying.... // Connected to sun5000 Escape character is ^] login: passwd: sum5000 sum5000:unknow host
telnetTelnet Escape character is ^] telnet ^]telnet telnet> quittelnet
telnettelnet telnet> Print hekp information open connect to a site closeclose current connection quit exit telnettelnetman
FTP FTPFile Transfer Protocol
FTP ID: anonymousFTPFTPFTPman ftp
ftpftp [hostname] [port] ftp 166.111.7.250 ftp ftp.pku.edu.cn ftp ftp>
ftp> open ftp.pku.edu.cn ftp ftp> quit ftp> ? ftp> ? Command ftp> ? quit
ftp quit ftp (help) (help) command ! ftpshell Command shell
ftpFtp open [host] close user [name [passwd]]
ftp cd [directory] dir [directory] ls [directory] pwd lcd [directory] ! pwd
ftp put [[] ] mput [] mput *.txt mput test1.doc test2.doc test3.doc
ftp get [[]] mget [...] mget fi*
ftp ascii binary prompt yes/no: status
UNIXMAIL
SMTP POP
MAIL mail mail mailaddress mail [email protected] mail qili mail qili wuhp
MAIL mailmail & SHELLnumber #number q mail
MAIL d m r R u x mail
MAIL Subject: Cc: viCTRL-D . CTRL-C
MAIL mail~ ~q ~f ~r ~ Shell
ping: ping hosttalk: talk user@hostname mesg n write: write userfinger: finger user@hostname