FTP的屏幕信息举例 012】数字150表示“文件状态正确, [02 [03 即将建立数据连接” [04] Name, [05]331 ogin ok, send ident as password [06]Pa abc@xyz. math. yale. edu [07]2 st login ok, access restrictions apply [08]f 石drfc [09] CWd command successful [10y Atp> get rfc1261 txt nicinfo [1y 200 PORT command successful [12] 150 ASCIi data connection for rfcl261txt (128 1401)(4318btes) [13] 226 ASCII Transfer complete local: nicinfo remote: rfcl261 txt 4488 bytes received in 15 seconds (0.3 Kbytes /s) [14] ftp> quit [15] 221 Goodbye
FTP 的屏幕信息举例 [01] ftp nic.ddn.mil [02] connected to nic.ddn.mil [03] 220 nic FTP server (Sunos 4.1)ready. [04] Name: anonymous [05] 331 Guest login ok, send ident as password. [06] Password: abc@xyz.math.yale.edu [07] 230 Guest login ok, access restrictions apply. [08] ftp> cd rfc [09] 250 CWD command successful. [10] ftp> get rfc1261.txt nicinfo [11] 200 PORT command successful. [12] 150 ASCII data connection for rfc1261.txt (128.36.12.27,1401) (4318 bytes). [13] 226 ASCII Transfer complete. local: nicinfo remote: rfc1261.txt 4488 bytes received in 15 seconds (0.3 Kbytes/s). [14] ftp> quit [15] 221 Goodbye. [12] 数字 150 表示“文件状态正确， 即将建立数据连接
FTP的屏幕信息举例 01[3]数字226是“释放数据连接”。 [02 [03 现在一个新的本地文件已产生 [04] Name [05]331 gin ok, send ident as password [06]Pas/ abc@ xyz. math. yale.edu [07]23 login ok, access restrictions apply [08]f rfc [09] WD command successful [10] get rfcl261 txt nicinfo [11100 PORT command successful [12//150 ASCII data connection for rfc1261txt 128.36.12.27,1401)(4318 bytes) [13] 226 ASCII Transfer complete local: nicinfo remote: rfc1261 txt 4488 bytes received in 15 seconds (0.3 Kbytes/s). [14] ftp> quit [15] 221 Goodbye
FTP 的屏幕信息举例 [01] ftp nic.ddn.mil [02] connected to nic.ddn.mil [03] 220 nic FTP server (Sunos 4.1)ready. [04] Name: anonymous [05] 331 Guest login ok, send ident as password. [06] Password: abc@xyz.math.yale.edu [07] 230 Guest login ok, access restrictions apply. [08] ftp> cd rfc [09] 250 CWD command successful. [10] ftp> get rfc1261.txt nicinfo [11] 200 PORT command successful. [12] 150 ASCII data connection for rfc1261.txt (128.36.12.27,1401) (4318 bytes). [13] 226 ASCII Transfer complete. local: nicinfo remote: rfc1261.txt 4488 bytes received in 15 seconds (0.3 Kbytes/s). [14] ftp> quit [15] 221 Goodbye. [13] 数字 226 是“释放数据连接”。 现在一个新的本地文件已产生
FTP的屏幕信息举例 [01] ftp nic.ddn.mni工 [02] connected to nic ddn. mil [03] 220 nic FTP server (Sunos 4.1)ready. [04] Name: anonymous [05] 331 Guest login ok, send ident as password [06 Password: abc@xyz. math. yale. edu [07]2 estriction apply [08]ft [09]2 [14]用户键入退出命令。 [10]ftp> 1261. txt nicinfo [11]200 command successful [12]150 i data connection for rfcl261 txt 36.12.27,1401)(4318 bytes) [13] ASCII Transfer complete ocal: nicinfo remote: rfc1261 txt 4488 bytes received in 15 seconds (0.3 Kbytes /s) [14] ftp> quit [15] 221 Goodbye
FTP 的屏幕信息举例 [01] ftp nic.ddn.mil [02] connected to nic.ddn.mil [03] 220 nic FTP server (Sunos 4.1)ready. [04] Name: anonymous [05] 331 Guest login ok, send ident as password. [06] Password: abc@xyz.math.yale.edu [07] 230 Guest login ok, access restrictions apply. [08] ftp> cd rfc [09] 250 CWD command successful. [10] ftp> get rfc1261.txt nicinfo [11] 200 PORT command successful. [12] 150 ASCII data connection for rfc1261.txt (128.36.12.27,1401) (4318 bytes). [13] 226 ASCII Transfer complete. local: nicinfo remote: rfc1261.txt 4488 bytes received in 15 seconds (0.3 Kbytes/s). [14] ftp> quit [15] 221 Goodbye. [14] 用户键入退出命令
FTP的屏幕信息举例 [01] ftp nic.ddn.mni工 [02] connected to nic ddn. mil [03] 220 nic FTP server (Sunos 4.1)ready [04] Name: anonymous [05]331 Guest login ok, send ident as password [06] Password: abc@ xyz. math. yale. edu [07]2 frictions apply 03(15表明FTP工作结束。 [10] ftp ∠261. txt nicinfo [11]200y ommand success ful [12]150 data connection for rfc1261 txt 6.12.27,1401)(4318 bytes). [13] ASCII Transfer complete cal: nicinfo remote: rfc1261txt 4488 bytes received in 15 seconds (0.3 Kbytes/s) [1y ftp> quit [15] 221 Goodbye
FTP 的屏幕信息举例 [01] ftp nic.ddn.mil [02] connected to nic.ddn.mil [03] 220 nic FTP server (Sunos 4.1)ready. [04] Name: anonymous [05] 331 Guest login ok, send ident as password. [06] Password: abc@xyz.math.yale.edu [07] 230 Guest login ok, access restrictions apply. [08] ftp> cd rfc [09] 250 CWD command successful. [10] ftp> get rfc1261.txt nicinfo [11] 200 PORT command successful. [12] 150 ASCII data connection for rfc1261.txt (128.36.12.27,1401) (4318 bytes). [13] 226 ASCII Transfer complete. local: nicinfo remote: rfc1261.txt 4488 bytes received in 15 seconds (0.3 Kbytes/s). [14] ftp> quit [15] 221 Goodbye. [15] 表明 FTP 工作结束
NFS采用另一种思路 NFS允许应用进程打开一个远地文件,并能在该 文件的某一个特定的位置上开始读写数据 NFS可使用户只复制一个大文件中的一个很小的 片段,而不需要复制整个大文件。 ■对于上述例子,计算机A的NFS客户软件,把要 添加的数据和在文件后面写数据的请求一起发送 到远地的计算机B的NFS服务器。NFS服务器 更新文件后返回应答信息。 ■在网络上传送的只是少量的修改数据。 课件制作人:谢希仁
课件制作人：谢希仁 NFS 采用另一种思路 ◼ NFS 允许应用进程打开一个远地文件，并能在该 文件的某一个特定的位置上开始读写数据。 ◼ NFS 可使用户只复制一个大文件中的一个很小的 片段，而不需要复制整个大文件。 ◼ 对于上述例子，计算机 A 的 NFS 客户软件，把要 添加的数据和在文件后面写数据的请求一起发送 到远地的计算机 B 的 NFS 服务器。NFS 服务器 更新文件后返回应答信息。 ◼ 在网络上传送的只是少量的修改数据