Lesson plan

FTPFS

FTPFS refers to file systems that support access to a File Transfer Protocol (FTP) server through standard file system application programming interfaces (APIs). The ftpfs command in Plan 9 was originated by Dennis Ritchie and was included in the first release of the system (1992). It arranged for a remote file system reachable via FTP to appear as part of the local file system. In Linux systems, FTPFS was initially implemented as a Linux kernel module that allows the user to mount a FTP server onto the local filesystem, but it was never seen as the perfect way to do it. By 2003, it has been converted to use LUFS, and later to FUSE. Now it is called CurlFtpFS because it uses the universal libcurl for FTP transactions, and is becoming part of the major Linux distributions. There also exists LftpFS for smart mirroring of FTP sites. In macOS, a read-only FTP file system is included that can be used either via the GUI (with ) or the command line (mount_ftp). The read-only limitation is noted in the man page for mount_ftp (on a macOS system, in Terminal.app, see "man mount_ftp"). However, the free application Macfusion includes a working implementation of FTPFS. Additionally, macOS Fuse is reported to enable this but the method to do so is undocumented (as of March 4, 2013) either via various obvious man page (e.g. sshfs) or in the macOS Fuse wiki.…

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Article summary

FTPFS refers to file systems that support access to a File Transfer Protocol (FTP) server through standard file system application programming interfaces (APIs). The ftpfs command in Plan 9 was originated by Dennis Ritchie and was included in the first release of the system (1992). It arranged for a remote file system reachable via FTP to appear as part of the local file system. In Linux systems, FTPFS was initially implemented as a Linux kernel module that allows the user to mount a FTP server onto the local filesystem, but it was never seen as the perfect way to do it. By 2003, it has been converted to use LUFS, and later to FUSE. Now it is called CurlFtpFS because it uses the universal libcurl for FTP transactions, and is becoming part of the major Linux distributions. There also exists LftpFS for smart mirroring of FTP sites. In macOS, a read-only FTP file system is included that can be used either via the GUI (with ) or the command line (mount_ftp). The read-only limitation is noted in the man page for mount_ftp (on a macOS system, in Terminal.app, see "man mount_ftp"). However, the free application Macfusion includes a working implementation of FTPFS. Additionally, macOS Fuse is reported to enable this but the method to do so is undocumented (as of March 4, 2013) either via various obvious man page (e.g. sshfs) or in the macOS Fuse wiki.…

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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Key claims and bibliography are generated from the same tracked claims and sources as the article page.