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Old 01-27-2007, 11:56 PM   #1
ashishjen
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default application


how to know that which is the default application for a particular program like in which application should we open .jpg, .pdf etc.
 
Old 01-28-2007, 12:34 AM   #2
Hitboxx
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What distro are you using and what is your DE(KDE,Gnome,etc..)??
 
Old 01-28-2007, 12:49 AM   #3
ashishjen
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what do u mean by distro???
i am using fedora core 5....
 
Old 01-28-2007, 03:02 AM   #4
basileus
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I'm not sure about Fedora Core, but Debian has an "alternatives" system, which uses generic aliases for several program types. For example, you can define which www-browser to launch while in X. These can be edited with a program called "galternatives". I guess Fedora Core has something similar.

Then the Desktop environment... you are most likely using Gnome, if you have not specifically installed KDE or something else. You can choose some "default applications" via the Gnome settings. When opening a file, you can also right click it and select "Open with alternative application". Then select the application which is usually in /usr/bin. Next you right-click a similar file, you will see your new application in the menu automatically.
 
Old 01-28-2007, 11:14 AM   #5
ashishjen
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well i want to open the file from terminal (so no GUI or right clicks...)and i want to know the applications with which i can open different files on my box ....
 
Old 01-28-2007, 11:40 AM   #6
b0uncer
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As said, it's the job of a desktop environment (KDE, Gnome, XFCE, ...) usually to determine which program to use to open different types of files. When working on console, you just launch a program and if it lets you to, pass the filename to it as a parameter. Like to view a plain text file
Code:
less myfile.txt
or to edit it, one of these
Code:
nano myfile.txt
vi myfile.txt
pico myfile.txt
joe myfile.txt
or to launch a website (might work for .html and such files too)
Code:
links www.google.com
(or try lynx if that isn't installed)
and so on. It depends on which files you want to open, and which programs you have installed. For mp3 files there are, depending on what you have installed, available
Code:
mpg123 somemusic.mp3
mpg321 somemusic.mp3
Usually if you're lost, try
Code:
apropos keyword
man -k keyword
where 'keyword' is some word, for example
Code:
man -k whatis
and you should be presented (hopefully) with a list of some manpages (manual pages of certain programs or pieces of ssoftware) that may be related. An example:
Code:
man -k mp3
lame-libs           (rpm) - LAME MP3 encoding library
so, mp3 "lookaround" produced a manpage of lame-libs. I could read that, but as it seems to only talk about libraries, let's try
Code:
man lame
instead, and if you have lame installed, you should get it's usage instructions (lame = Lame Ain't an Mp3 Encoder). You might not be after the instructions, but the above method might help you find program names that can do something with certain files. It surely won't, however, take long before you are familiar with some of the most common tools of your system and can work with different types of files without wondernig which program to open them with.
 
Old 01-28-2007, 12:21 PM   #7
ashishjen
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thanx a lot... man -k keyword thing is of great help....
 
  


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