Remember to logout your UNIX session and any communication connections when you have completed your work on the machine. Although FTP transfers files very quickly compared to other file transfer mechanisms, they still take some time, especially so for very large files. For this reason, files are frequently compressed before transfer and then uncompressed after transfer. Several types of file compression are used, and generally, large files held in data archives for access by the public, are stored in compressed form. The FTP program can be used to transfer any file regardless of the compression type.
Files stored on an ftp site tend to be stored in an archived form of some sort.
UNIX Tar tar -xvf .tar. Anonymous ftp Using ftp requires that the user have a valid signon for the remote computer. Many information providers recognize that this could be a barrier to remote users' accessing their information. Consequently, many sites with public information archives provide a mechanism for signing on and identifying yourself via your email address. Theses indexes give brief descriptions of the archives in the directory.