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发信人: georgehill (人生不定式), 信区: Linux
标 题: Unix Programming FAQ (v1.37)-index(转寄)
发信站: BBS 荔园晨风站 (Thu Sep 14 13:02:20 2000), 站内信件
【 以下文字转载自 georgehill 的信箱 】
【 原文由 georgehill.bbs@smth.org 所发表 】
发信人: hhuu (什么是水，就是water啊), 信区: FreeBSD
标 题: Unix Programming FAQ (v1.37)-index(转寄)
发信站: BBS 水木清华站 (Wed Sep 13 20:44:12 2000)
发信人: Luther (天語『至菜※努力』), 信区: Security
标 题: Unix Programming FAQ (v1.37)-index(转寄)
发信站: 武汉白云黄鹤站 (Wed Sep 13 15:46:55 2000), 站内信件
Archive-Name: unix-faq/programmer/faq
Comp-unix-programmer-Archive-Name: faq
URL: http://www.erlenstar.demon.co.uk/unix/faq_toc.html
URL: http://www.whitefang.com/unix/faq_toc.html
Posting-Frequency: every 2 weeks
Copyright: Collection Copyright (C) 1997-2000 Andrew Gierth.
Last-Modified: 2000/09/01 06:34:57
Version: 1.37
==============================================================================
About this FAQ
**************
$Id: rawfaq.texi,v 1.37 2000/09/01 06:34:57 andrew Exp $
This FAQ was originally begun by Patrick Horgan in May 1996; I took it over
after it had been lying idle for several months. I've reorganised it a bit
and added some stuff; I still regard it as `under development'.
Comments, suggestions, additions, corrections etc. should be sent to the
maintainer at: <andrew@erlenstar.demon.co.uk>.
A hypertext version of this document is available on the WWW. The home site
is located at `http://www.erlenstar.demon.co.uk/unix/faq_toc.html'. A US
mirror site is available at `http://www.whitefang.com/unix/faq_toc.html'.
This document is available by FTP from the news.answers archives at
rtfm.mit.edu and its many mirror sites worldwide. The official archive name
is `unix-faq/programmer/faq'. Sites which also archive *.answers posts by
group should also carry the file under the `comp.unix.programmer' directory.
Other sources of information are not listed here. You can find pointers to
other FAQs, books, source code etc. in the regular [READ ME FIRST] posting
that should appear weekly in comp.unix.programmer. Administrivia regarding
newsgroup conduct, etc., are also found there; I want to reserve this
document specifically for technical Q's and A's.
All contributions have been edited by the maintainer, therefore any errors
or omissions are my responsibility rather than that of the contributor.
This FAQ is now maintained as Texinfo source; I'm generating a raw text
version for Usenet using the `makeinfo' program, and an HTML version using
`texi2html'.
Copyright (C) 1997, 1998, 1999, 2000 Andrew Gierth. This document may be
distributed freely on Usenet or by email; it may be archived on FTP or WWW
sites that mirror the news.answers archives, provided that all reasonable
efforts are made to ensure that the archive is kept up-to-date. (This
permission may be withdrawn on an individual basis.) It may not be
published in any other form, whether in print, on the WWW, on CD-ROM, or in
any other medium, without the express permission of the maintainer.
List of contributors in no particular order:
Andrew Gierth <andrew@erlenstar.demon.co.uk>
Patrick J. Horgan withheld
Stephen Baynes <stephen.baynes@soton.sc.philips.com>
James Raynard withheld
Michael F. Quigley withheld
Ken Pizzini withheld
Thamer Al-Herbish withheld
Nick Kew <nick.kew@pobox.com>
Dan Abarbanel withheld
Billy Chambless <billy@cast.msstate.edu>
Walter Briscoe <walter@wbriscoe.demon.co.uk>
Jim Buchanan <jbuchana@buchanan1.net>
Dave Plonka <plonka@doit.wisc.edu>
Daniel Stenberg withheld
Ralph Corderoy <ralph@inputplus.demon.co.uk>
Stuart Kemp withheld
Sergei Chernev <ser@nsu.ru>
Bjorn Reese withheld
Joe Halpin <jhalpin@nortel.ca>
Aaron Crane <aaronc@pobox.com>
Geoff Clare <gwc@root.co.uk>
List of Questions
*****************
1. Process Control
1.1 Creating new processes: fork()
1.1.1 What does fork() do?
1.1.2 What's the difference between fork() and vfork()?
1.1.3 Why use _exit rather than exit in the child branch of a fork?
1.2 Environment variables
1.2.1 How can I get/set an environment variable from a program?
1.2.2 How can I read the whole environment?
1.3 How can I sleep for less than a second?
1.4 How can I get a finer-grained version of alarm()?
1.5 How can a parent and child process communicate?
1.6 How do I get rid of zombie processes?
1.6.1 What is a zombie?
1.6.2 How do I prevent them from occuring?
1.7 How do I get my program to act like a daemon?
1.8 How can I look at process in the system like ps does?
1.9 Given a pid, how can I tell if it's a running program?
1.10 What's the return value of system/pclose/waitpid?
1.11 How do I find out about a process' memory usage?
1.12 Why do processes never decrease in size?
1.13 How do I change the name of my program (as seen by `ps')?
1.14 How can I find a process' executable file?
1.14.1 So where do I put my configuration files then?
1.15 Why doesn't my process get SIGHUP when its parent dies?
1.16 How can I kill all descendents of a process?
2. General File handling (including pipes and sockets)
2.1 How to manage multiple connections?
2.1.1 How do I use select()?
2.1.2 How do I use poll()?
2.1.3 Can I use SysV IPC at the same time as select or poll?
2.2 How can I tell when the other end of a connection shuts down?
2.3 Best way to read directories?
2.4 How can I find out if someone else has a file open?
2.5 How do I `lock' a file?
2.6 How do I find out if a file has been updated by another process?
2.7 How does the `du' utility work?
2.8 How do I find the size of a file?
2.9 How do I expand `~' in a filename like the shell does?
2.10 What can I do with named pipes (FIFOs)?
2.10.1 What is a named pipe?
2.10.2 How do I create a named pipe?
2.10.3 How do I use a named pipe?
2.10.4 Can I use a named pipe across NFS?
2.10.5 Can multiple processes write to the pipe simultaneously?
2.10.6 Using named pipes in applications
3. Terminal I/O
3.1 How can I make my program not echo input?
3.2 How can I read single characters from the terminal?
3.3 How can I check and see if a key was pressed?
3.4 How can I move the cursor around the screen?
3.5 What are pttys?
3.6 How to handle a serial port or modem?
3.6.1 Serial device names and types
3.6.2 Setting up termios flags
3.6.2.1 c_iflag
3.6.2.2 c_oflag
3.6.2.3 c_cflag
3.6.2.4 c_lflag
3.6.2.5 c_cc
4. System Information
4.1 How can I tell how much memory my system has?
4.2 How do I check a user's password?
4.2.1 How do I get a user's password?
4.2.2 How do I get shadow passwords by uid?
4.2.3 How do I verify a user's password?
5. Miscellaneous programming
5.1 How do I compare strings using wildcards?
5.1.1 How do I compare strings using filename patterns?
5.1.2 How do I compare strings using regular expressions?
5.2 What's the best way to send mail from a program?
5.2.1 The simple method: /bin/mail
5.2.2 Invoking the MTA directly: /usr/lib/sendmail
5.2.2.1 Supplying the envelope explicitly
5.2.2.2 Allowing sendmail to deduce the recipients
6. Use of tools
6.1 How can I debug the children after a fork?
6.2 How to build library from other libraries?
6.3 How to create shared libraries / dlls?
6.4 Can I replace objects in a shared library?
6.5 How can I generate a stack dump from within a running program?
--
║ ◇ 系統 ◇ ║ ¤ FreeBSD ¤ ║ --=【紅色小魔鬼】=-- ║ Ｗｅｌｃｏｍｅ ║
※ 来源:．武汉白云黄鹤站 bbs.whnet.edu.cn．[FROM: 202.112.20.201]
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※ 来源:·BBS 水木清华站 smth.org·[FROM: 166.111.160.6]
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