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diff --git a/hurd-paper.html b/hurd-paper.html index 880f5fca..0a47bbef 100644 --- a/hurd-paper.html +++ b/hurd-paper.html @@ -21,7 +21,9 @@ The design and implementation of the Hurd is being lead by Michael Bushnell, with assistance from Richard Stallman, Roland McGrath, Jan Brittenson, and others. +<a name=design> <H2>Part 1: A More Usable Approach to OS Design</H2> +</a> <P> The fundamental purpose of an operating system (OS) is to enable a variety of programs to share a single computer efficiently and productively. @@ -148,7 +150,9 @@ None of the remaining services carry any special status; not the network implementation, the filesystems, the program execution mechanism (including setuid), or any others. +<a name=translator> <H3>The Translator Mechanism</H3> +</a> <P> The Hurd uses Mach ports primarily as methods for communicating between users and servers. @@ -324,7 +328,9 @@ those semantics to allow users to improve, bypass, or replace them. <H2>Part 2: A Look at Some of the Hurd's Beasts</H2> +<a name=auth> <H3>The Authentication Server</H3> +</a> <P> One of the Hurd's more central servers is the authentication server. Each @@ -363,7 +369,9 @@ we have designed its interface to make any safe operation possible, and to include no extraneous operations. (This is why there is a separate password server.) +<a name=proc> <H3>The Process Server</H3> +</a> <P> The process server acts as an information categorization repository. There @@ -419,7 +427,9 @@ Those process server features which do not require root privileges to be implemented could be done as per-user servers. The user's hands are not tied. +<a name=ftpfs> <H3>Transparent FTP</H3> +</a> <P> Transparent FTP is an intriguing idea whose time has come. The popular @@ -429,7 +439,8 @@ virtually transparent to all the Emacs file manipulation functions. Transparent FTP does the same thing, but in a system wide fashion. This server is not yet written; the details remain to be fleshed out, and will -doubtless change with experience. +doubtless change with experience [Note: since the writing of this, ftpfs was +implemented and works as described here] <P> In a BSD kernel, a transparent FTP filesystem would be no harder to write than in the Hurd. @@ -492,7 +503,9 @@ more /ftp/ftp.uu.net/inet/rfc/rfc1097. </CODE> A copy command to a local disk could be used if the RFC would be read frequently. +<a name=fs> <H3>Filesystems</H3> +</a> <P> Ordinary filesystems are also being implemented. The initial release of the @@ -529,7 +542,9 @@ deficiencies. There will also be various ``little'' filesystems, such as the MS-DOS filesystem, to help people move files between GNU and other OSs. +<a name=term> <H3>Terminals</H3> +</a> <P> An I/O server will provide the terminal semantics of Posix. The GNU C @@ -574,7 +589,9 @@ Instead they will be using the underlying Mach device ports for terminals, which support moving large amounts of data efficiently. +<a name=exec> <H3>Executing Programs</H3> +</a> <P> The implementation of the <CODE>execve</CODE> |