The establishment of FTP server based on UNIX platform

FTP Server |unix, the server is one of the service support, a number of units to purchase a platform based computers, in order to provide service support on the Internet, specialized acquisition based on software, in fact, in the platform-based computer system, to take certain technical methods, you can build their own, The implementation of online file download services, no need to purchase specialized software, and music and not for it? The following is a description of the process: the working directory, which is set up as a program for setting up the system. #!/bin/shif [!-D ${ftphome}]; thenif [!-D ${ftphome}/usr/bin]; thenif [!-D ${ftphome}/usr/lib]; thenif [!-D ${FTPHOME}/ETC]; Then