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Diffstat (limited to 'unix.mdwn')
| -rw-r--r-- | unix.mdwn | 69 |
1 files changed, 66 insertions, 3 deletions
@@ -1,12 +1,28 @@ -[[!meta copyright="Copyright © 2008 Free Software Foundation, Inc."]] +[[!meta copyright="Copyright © 2008, 2010 Free Software Foundation, Inc."]] [[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable id="license" text="Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license -is included in the section entitled -[[GNU Free Documentation License|/fdl]]."]]"""]] +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!meta title="UNIX"]] + +*UNIX* is a [[kernel]] implementation. + + +# Concepts + + * [[file_descriptor]] + + * [[process]] + + * [[signal]] + + * [[system_call]] + # External @@ -15,3 +31,50 @@ is included in the section entitled * [*Standardizing UNIX*](http://www.informit.com/articles/printerfriendly.aspx?p=691503), an article by David Chisnall. + + * The first in the series, {{$2010_brown_ghosts_1}} introduces the concepts + of [[file_descriptor]]s and the single, hierarchical [[namespace]]. + + Next, {{$2010_brown_ghosts_2}} discusses issues with *conflated designs* + such as the `mount` command (a problem we have partly solved / solved + differently with our [[hurd/translator]] approach and the + [[hurd/virtual_file_system]]), and the plethora of flags that can be passed + to the `open` [[system_call]]. + + In {{$2010_brown_ghosts_3}}, he deals with *unfixable designs*, such as + UNIX [[signal]]s and the *UNIX permission model* (which is + clearly inferior to a [[capability]]-based system). + + * [*UNIX File Permissions*](http://www.greenend.org.uk/rjk/2004/perms.html) + (2004) by Richard Kettlewell. ([[!taglink open_issue_documentation]]<!-- + TODO: split out UNIX permission stuff into unix/file_permissions or + something. -->) + + +[[!ymlfront data=""" + +djb_self-pipe: + + D. J. Bernstein's [*self-pipe trick*](http://cr.yp.to/docs/selfpipe.html) + +rjk_fork: + + Richard Kettlewell's suggestions about [*how fork(2) ought to + be*](http://www.greenend.org.uk/rjk/fork.html) + +2010_brown_ghosts_1: + + "Neil Brown's 2010-10-27 article [*Ghosts of Unix Past: a historical search + for design patterns*](http://lwn.net/Articles/411845/)" + +2010_brown_ghosts_2: + + "Neil Brown's 2010-11-04 article [*Ghosts of Unix past, part 2: Conflated + designs*](http://lwn.net/Articles/412131/)" + +2010_brown_ghosts_3: + + "Neil Brown's 2010-11-16 article [*Ghosts of Unix past, part 3: Unfixable + designs*](http://lwn.net/Articles/414618/)" + +"""]] |