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Special Forums Windows & DOS: Issues & Discussions Question regarding Reg entries Post 302850899 by bakunin on Friday 6th of September 2013 01:49:39 AM
Old 09-06-2013
The registry is a sort-of database and is manipulated using certain specialised tools (like regedt32.exe, etc.). Unfortunately Microsofts tools do not offer a lot of possibilities to automatically (that is: non-interactively) edit the registry at all, so you probably will need some replacement tool for this. This includes saving (part of) the registry into a file and then read such a file and add its contents to the registry again. Therefore, how in detail you have to do that depends on the tool you finally decide to use.

No Linux does have a registry (and neither do most Unixes). All configuration information is stored in clear-text files as a principle, because these can be manipulated by simple text editors and/or any text-manipulating tool. This way it is easy to write scripts and other software to (semi-)automatically rewrite such configuration information. This adds a lot of possibilities to the administration/configuration of Unix-like systems Windows-systems do seriously lack.

Nevertheless the registry was invented on a Unix system (IBMs AIX, to be precise), where it is called "ODM". In fact it was licensed by Microsoft from IBM way back in the beginning of the nineties, IIRC.

The ODM (Object Data Manager) serves a similar purpose in AIX as the registry in Windows (here is the link to wikipedia), but is not as exclusively used as there. The classical config files are still there and only some parts of the configuration (logical volume manager information, software inventory, extended user attributes, etc.) is stored in the ODM. For some aspects there are daemons which propagate settings done in the ODM to the "real machine" and vice versa so that machine configuration and ODM content remains consistent.

For instance: user information is still handled in the classical files ("/etc/passwd", "/etc/group", ...), but extended attributes of user accounts (max time for a password to expire, etc.) are stored in the ODM. There is a command ("chuser") to manipulate user accounts which will do all the necessary changes to the ODM as well as the files automatically.

Another example: static routes are stored in the ODM as part of the systems attributes. There is a command "chsys", which would do the necessary changes (like issuing a "route" command wiht the appropriate options) and also stores the changes in the ODM. The user can use the "route" command alone too, generating a change in the routing table which will not survive reboot. "chsys" itself has a flag to change the system immediately, coming into effect only after next reboot or both. It would be possible (but is not recommended) to use low-level commands ("odmchange", ...) directly to manipulate the ODM the same way "chsys" does and the effect would take place with the next reboot.

This is another major difference between ODM and the registry: the ODM comes with all the necessary tools to manipulate it (odmget, odmdelete, odmchange, ...).

I hope this helps.

Test Your Knowledge in Computers #22
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gnash(1)																  gnash(1)

gnash, gtk-gnash, qt4-gnash, dump-gnash, fb-gnash, sdl-gnash, gnash-gtk-launcher, gnash-qt-launcher - GNU Flash (SWF) Player Synopsis gnash [option]... [URL] DESCRIPTION
Run the SWF movie player. -h, --help Print usage info. -V, --version Print the version number, and the configuration, of the Gnash player. Please provide this information when submitting bug reports. -s factor, --scale factor Scale the movie up/down by the specified factor. -c Produce a core file instead of letting SDL trap it -d num, --delay num Number of milliseconds to delay in main loop. -v, --verbose Be verbose; i.e. print log messages to stdout. -a Be very verbose about movie action execution. Must be used in conjunction with -v. -p Be very verbose about parsing. Must be used in conjunction with -v. -A file Audio dump file (wave format). --hwaccel none|vaapi Hardware Video Accelerator to use none|vaapi (default: none) -x xid, --xid xid The XID of the parent window Gnash should use instead of creating a new one. This is only used when embedding the player into another window. -w, --writelog Write the gnash-dbg.log debug log to disk. By default the plugin writes its log in your home directory when using a launcher from GNOME or KDE. -j width, --width width Set the width of the window. This is only used when embedding the player into another window. -k height, --height height Set the height of the window. This is only used when embedding the player into another window. -X x-pos, --x-pos x-pos Set window x position. -Y y-pos, --y-pos y-pos Set window y position. -1, --once Play once; exit when/if movie reaches the last frame. -g Start Gnash with a Flash debugger console so one can set breakpoints or watchpoints. -r [0|1|2|3] 0 disables rendering and sound (good for batch tests). 1 enables rendering, disable sound. 2 disables rendering, enable sound. 3 enables rendering and sound (default setting). -M ffmpeg|gst, --media ffmpeg|gst The media handler to use (default: ffmpeg). -R agg|cairo|opengl, --renderer agg|cairo|opengl The renderer to use (default: agg). -t sec, --timeout sec Timeout and exit after the specified number of seconds. -u url, --real-url url Set "real" url of the movie (useful for downloaded movies). -U url, --base-url url Set "base" url for this run (used to resolve relative urls, defaults to movie url) -P param, --param param Set parameter (ie. "FlashVars=A=1&b=2") -F x:y, --fd x:y Set file descriptors to use for external communications. x is use by the player to send commands to the plugin, y is used by the plugin to send commands to the standalone player. --max-advances num Exit after specified number of frame advances. --fullscreen Start in fullscreen mode. --hide-menubar Start without displaying the menu bar. --screenshot list Set a list of frame advances to be saved as screenshots. The list must be comma-separated. Valid values are integers and the phrase "last". If "last" is specified, the final frame before exit is saved. Invalid values are ignored. Frame numbers apply to the sequence of frames as the SWF is executed, not the frame sequence defined in the SWF. Use in combination with --screenshot-file to specify output filename. --screenshot-file file Specify the output pattern for screenshot filenames. The token %f in a pattern will be replaced with a frame identifier. If you specify multiple frames and do not use %f, the file will be overwritten for each screenshot. If this option is not specified but screenshots are requested, a default filename will be used. KEYS CTRL-Q Quit/Exit. CTRL-W Quit/Exit. CTRL-P Toggle pause. CTRL-R Restart the movie. CTRL-L Force immediate redraw. CTRL-F Toggle fullscreen. ESC also exits fullscreen. CTRL-O Save a spontaneous screenshot. If no screenshots were requested from the command line, a default filename is used. Otherwise, the same filename pattern is used for requested and spontaneous screenshots. Flash is a registered trademark of Adobe Corporation. 24 January 2014 gnash(1)

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