unix 入门讲座（三）
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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 PresentationTRANSCRIPT
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UNIXUNIXInternetInternettelnetFTP
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Internet InternetInternetDNSInternet
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InternetInternet
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Internet
DARPA70ARPANETTCP/IPARPANET1990ARPANET
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InternetInternet
DNS[subdomain].[subdomain].[...].domain
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InternetInternetcom edugov orgint milcn: ca : us:tw: hk: jp:fr: gb(uk): de:
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InternetInternet edumis.tsinghua.edu.cn @ [email protected]
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InternetInternetInternet
IP32 166.111.4.11
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InternetDNSDNSIPIP
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InternetDNSnslookupnslookup: nslookup [-option] [host] [-Nameserver] option host :ip nameserver:
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InternetDNS -hostexit IP
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InternetInternet
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InternetInternet
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Internettelnet
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Telnet telnet [hostname] [port] hostname: port:23telnet sun5000 telnet 166.111.7.250 telnet edumis.tsinghua.edu.cn 3000
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telnet Trying.... // Connected to sun5000 Escape character is ^] login: passwd: sum5000 sum5000:unknow host
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telnetTelnet Escape character is ^] telnet ^]telnet telnet> quittelnet
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telnettelnet telnet> Print hekp information open connect to a site closeclose current connection quit exit telnettelnetman
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FTP FTPFile Transfer Protocol
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FTP ID: anonymousFTPFTPFTPman ftp
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ftpftp [hostname] [port] ftp 166.111.7.250 ftp ftp.pku.edu.cn ftp ftp>
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ftp> open ftp.pku.edu.cn ftp ftp> quit ftp> ? ftp> ? Command ftp> ? quit
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ftp quit ftp (help) (help) command ! ftpshell Command shell
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ftpFtp open [host] close user [name [passwd]]
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ftp cd [directory] dir [directory] ls [directory] pwd lcd [directory] ! pwd
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ftp put [[] ] mput [] mput *.txt mput test1.doc test2.doc test3.doc
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ftp get [[]] mget [...] mget fi*
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ftp ascii binary prompt yes/no: status
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UNIXMAIL
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SMTP POP
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MAIL mail mail mailaddress mail [email protected] mail qili mail qili wuhp
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MAIL mailmail & SHELLnumber #number q mail
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MAIL d m r R u x mail
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MAIL Subject: Cc: viCTRL-D . CTRL-C
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MAIL mail~ ~q ~f ~r ~ Shell
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ping: ping hosttalk: talk user@hostname mesg n write: write userfinger: finger user@hostname