Hi. I am a new user of linux.... I am using Mandriva powerpack Linux... I have got some 'exe' files which are need to be installed.... But while making a simple 'doble-click' i can't able to run it or install my package wanted.... Please do help me in this.....

Also help me in installing / how to unrar 'rar' files..........

.exe files are for windows. You could try installing them in Wine.

Install the "unrar" package if available. It should be, if not, google for "linux unrar" and install it from source.

You would use "unrar x <filename>.part1.rar" to extract the files.

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Perhaps this may help you understand type ; linux.oneandoneis2.org/LNW.htm .into your browser search and see where it takes you

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Can i lock files ?

Hmm, not exactly sure what you mean by that, but you can make them unwritable: Eg
Read up on "file permissions" for more information.
The rute book might be helpful here:
http://rute.2038bug.com/node17.html.gz

Cheers,

Evo2.

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As they are Windows files, you would probably be better seeking Linux programs which do what you want. What is that?

file locking is normally done by programs. Often, it is a cooperative lock. A pid file who's existance will prevent another instance of a the same program from starting. Linux programs may use range locking, protecting a portion of a file from being written to. Also, memory may be locked to prevent another thread from modifying a variable or data while the first thread is reading it.

If you want to lock files from writing, or from reading and writing, in your scripts, look at the flock command. It is supplied by the util-linux package.

See "man 1 flock" for all the details.

Rarlabs produces a rar for Linux. I registered a copy years ago and the registration is still valid (I think it was about 20 USD).

For unraring, more modern versions of Linux can often unrar in a file manager by using the right-click-->extract option of the context menu. That was not the case when I registered my copy of rar.

It's the only program I've ever paid money for to use on Linux and it was worth every penny.

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1. ext supports an immutable attribute, which "locks (?)" / makes files undeletable

2. You can run some "exe" files with Wine.

3. man 1 flock

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