📄 c-fileaxs1.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><html><head><link rel="STYLESHEET" type="text/css" href="wrs.css"><title> File Access Applications </title></head><body bgcolor="FFFFFF"><p class="navbar" align="right"><a href="index.html"><img border="0" alt="[Contents]" src="icons/contents.gif"></a><a href="c-fileaxs.html"><img border="0" alt="[Index]" src="icons/index.gif"></a><a href="c-fileaxs.html"><img border="0" alt="[Top]" src="icons/top.gif"></a><a href="c-fileaxs.html"><img border="0" alt="[Prev]" src="icons/prev.gif"></a><a href="c-fileaxs2.html"><img border="0" alt="[Next]" src="icons/next.gif"></a></p><font face="Helvetica, sans-serif" class="sans"><h3 class="H2"><i><a name="89994">11.1 Introduction</a></i></h3></font><dl class="margin"><dl class="margin"><dd><p class="Body"><a name="89995"> </a>Using RSH, FTP, or NFS, applications running under VxWorks can access files on any host development system (over the network) exactly as if they were local to the VxWorks system. For example, <b class="file">/dk0/file</b> might be a file local to the VxWorks system, while <b class="file">/host/file</b> might be a file located on another machine entirely. To VxWorks applications, the files operate in exactly the same way; only the name is different. Transparent file access is available through any of three different protocols:<sup><a href="#foot"><b class="FootnoteMarker">1</b></a></sup></p></dl><dl class="margin"><p class="listspace"><ul class="Bullet" type="disc"><li><a name="90000"> </a><font face="Helvetica, sans-serif" size="-1" class="sans"><b class="hb">Remote Shell (RSH)</b></font> is serviced by the remote shell daemon <b class="command">rshd</b> on the host system. See the reference entry for <b class="library">remLib</b>.</li></ul></p><p class="listspace"><ul class="Bullet" type="disc"><li><a name="90002"> </a><font face="Helvetica, sans-serif" size="-1" class="sans"><b class="hb">Internet File Transfer Protocol (FTP)</b></font> client and server functions are provided with a library of routines in <b class="library">ftpLib</b> to transfer files between FTP servers on the network and invoke other FTP functions. See the reference entries for <b class="library">ftpLib</b> and <b class="library">ftpdLib</b>.</li></ul></p><p class="listspace"><ul class="Bullet" type="disc"><li><a name="90004"> </a><font face="Helvetica, sans-serif" size="-1" class="sans"><b class="hb">Network File System (NFS)</b></font> client protocol is implemented in the I/O driver <b class="library">nfsDrv</b> to access files on any NFS server on the network. This I/O driver was tested with many different implementations of NFS file servers on various operating systems. The NFS server protocol is implemented (for dosFs file systems) in two libraries, <b class="library">mountLib</b> and <b class="library">nfsdLib</b>.</li></ul></p></dl><dl class="margin"><dd><p class="Body"><a name="90006"> </a><font face="Helvetica, sans-serif" size="-1" class="sans"><b class="hb"></b></font>An alternative remote file transfer protocol is the Trivial File Transfer Protocol (TFTP). The VxWorks implementation provides both client and server functions, and is used only to retrieve a VxWorks image at boot time. See the reference entries for<b class="library"> tftpLib</b> and <b class="library">tftpdLib</b>. </p></dl></dl><a name="foot"><hr></a><p class="FootnoteNumberMarker">1: <span class="Footnote"><a name="89998"> </a>If you are developing on a Windows host, check your Windows and networking software documentation for information on which of these protocols is available and how to use them.</span><p class="navbar" align="right"><a href="index.html"><img border="0" alt="[Contents]" src="icons/contents.gif"></a><a href="c-fileaxs.html"><img border="0" alt="[Index]" src="icons/index.gif"></a><a href="c-fileaxs.html"><img border="0" alt="[Top]" src="icons/top.gif"></a><a href="c-fileaxs.html"><img border="0" alt="[Prev]" src="icons/prev.gif"></a><a href="c-fileaxs2.html"><img border="0" alt="[Next]" src="icons/next.gif"></a></p></body></html><!---by WRS Documentation (), Wind River Systems, Inc. conversion tool: Quadralay WebWorks Publisher 4.0.11 template: CSS Template, Jan 1998 - Jefro --->⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -