This manual page is part of the Computer Hardware Understanding Development (CHUD) Tools.

These tools are an optional part of Xcode Tools version 3.2.2. To obtain these tools:

  • Install the Xcode Tools from developer.apple.com.

  • Enable the CHUD package during installation.

If you are running a version of Xcode Tools other than 3.2.2, view the documentation locally:

  • In Xcode

  • In Terminal, using the man(1) command

Reading manual pages

Manual pages are intended as a quick reference for people who already understand a technology.

  • For more information about the manual page format, see the manual page for manpages(5).

  • For more information about this technology, look for other documentation in the Apple Reference Library.

  • For general information about writing shell scripts, read Shell Scripting Primer.



chum(8)                                  BSD System Manager's Manual                                 chum(8)

NAME
     chum, -- CHUD helper daemon for provided authorized users access to privileged kernel interfaces.

SYNOPSIS
     chum, [-fhuv]

DESCRIPTION
     chum, is use by CHUD to allow authorized users a mechanism to call privileged kernel interfaces such as
     accessing CPU special purpose register, PCI configuration space, I/O space, and physical memory.
     Options:

     -f       Runs chum in the foreground (default: background)

     -h       Displays usage information

     -u       Allows chum to be run as non-root (default: require root)

     -v       Turns on verbose output

BSD                                             May 12, 2010                                             BSD

Reporting Problems

The way to report a problem with this manual page depends on the type of problem:

Content errors
Report errors in the content of this documentation with the feedback links below.
Bug reports
Report bugs in the functionality of the described tool or API through Bug Reporter.
Formatting problems
Report formatting mistakes in the online version of these pages with the feedback links below.

Did this document help you? Yes It's good, but... Not helpful...