noob question, firefox installing
 

ok i downloaded latest version of firefox from it's official website, i uncompressed it and found that the executable is given, so i replaced the /usr/lib/firefox directory by newly uncompressed firefox directory, and the upgrade seemed to be dont, now it opens firefox 2.0, but is not usable, because it crashes. Whereas if i directly run firefox from the newly uncompressed directory it runs smooth. how should i have installed it.

Surely not by replacing any directories. The browser may well work just by launching the executable straight from the uncompressed directory, or if you get library missing errors, you'll need to either link the library files in the uncompressed directory to your system's library directory or add your uncompressed firefox directory to your library path.

You probably need to create a new launcher to the new executable.

well i need to install it for all users, how do i do it, as i said the borwser is working from the directory, i can create a launcher for all users, but isin't there a way to properly install it, what do the packages do?

I'm sure people us firefox, and can help me here. please post.

Most distros include firefox packages. If not create a symlink from /usr/bin/firefox to the Mozilla Firefox executable, no need to replace files.

you can try a symlink "/usr/lib/firefox-1.0.1/firefox" (which is a shell script) to "/usr/bin/firefox".

how do i create a symlink

and did not quite understand the second part of your post

Its very ublikely that your sistro does not have a package but you create a symlink by:

Open a terminal (console) and type:

ln -s TARGET DIRECTORY