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Linux/Documentation/admin-guide/sysctl/index.rst

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Diff markup

Differences between /Documentation/admin-guide/sysctl/index.rst (Version linux-6.12-rc7) and /Documentation/admin-guide/sysctl/index.rst (Version linux-2.4.37.11)


  1 ===========================                       
  2 Documentation for /proc/sys                       
  3 ===========================                       
  4                                                   
  5 Copyright (c) 1998, 1999,  Rik van Riel <riel@n    
  6                                                   
  7 ----------------------------------------------    
  8                                                   
  9 'Why', I hear you ask, 'would anyone even _wan    
 10 for them sysctl files? If anybody really needs    
 11 the source...'                                    
 12                                                   
 13 Well, this documentation is written because so    
 14 don't know they need to tweak something, or be    
 15 have the time or knowledge to read the source     
 16                                                   
 17 Furthermore, the programmers who built sysctl     
 18 be actually used, not just for the fun of prog    
 19                                                   
 20 ----------------------------------------------    
 21                                                   
 22 Legal blurb:                                      
 23                                                   
 24 As usual, there are two main things to conside    
 25                                                   
 26 1. you get what you pay for                       
 27 2. it's free                                      
 28                                                   
 29 The consequences are that I won't guarantee th    
 30 this document, and if you come to me complaini    
 31 screwed up your system because of wrong docume    
 32 feel sorry for you. I might even laugh at you.    
 33                                                   
 34 But of course, if you _do_ manage to screw up     
 35 only the sysctl options used in this file, I'd    
 36 it. Not only to have a great laugh, but also t    
 37 you're the last RTFMing person to screw up.       
 38                                                   
 39 In short, e-mail your suggestions, corrections    
 40 stories to: <riel@nl.linux.org>                    
 41                                                   
 42 Rik van Riel.                                     
 43                                                   
 44 ----------------------------------------------    
 45                                                   
 46 Introduction                                      
 47 ============                                      
 48                                                   
 49 Sysctl is a means of configuring certain aspec    
 50 at run-time, and the /proc/sys/ directory is t    
 51 don't even need special tools to do it!           
 52 In fact, there are only four things needed to     
 53 facilities:                                       
 54                                                   
 55 - a running Linux system                          
 56 - root access                                     
 57 - common sense (this is especially hard to com    
 58 - knowledge of what all those values mean         
 59                                                   
 60 As a quick 'ls /proc/sys' will show, the direc    
 61 several (arch-dependent?) subdirs. Each subdir    
 62 one part of the kernel, so you can do configur    
 63 by piece basis, or just some 'thematic frobbin    
 64                                                   
 65 This documentation is about:                      
 66                                                   
 67 =============== ==============================    
 68 abi/            execution domains & personalit    
 69 debug/          <empty>                           
 70 dev/            device specific information (e    
 71 fs/             specific filesystems              
 72                 filehandle, inode, dentry and     
 73                 binfmt_misc <Documentation/adm    
 74 kernel/         global kernel info / tuning       
 75                 miscellaneous stuff               
 76 net/            networking stuff, for document    
 77                 <Documentation/networking/>       
 78 proc/           <empty>                           
 79 sunrpc/         SUN Remote Procedure Call (NFS    
 80 vm/             memory management tuning          
 81                 buffer and cache management       
 82 user/           Per user per user namespace li    
 83 =============== ==============================    
 84                                                   
 85 These are the subdirs I have on my system. The    
 86 or other subdirs in another setup. If you see     
 87 really like to hear about it :-)                  
 88                                                   
 89 .. toctree::                                      
 90    :maxdepth: 1                                   
 91                                                   
 92    abi                                            
 93    fs                                             
 94    kernel                                         
 95    net                                            
 96    sunrpc                                         
 97    user                                           
 98    vm                                             
                                                      

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