How to check installed software's version?

I would like to know specifically which version of Slackware Linux I am currently using.  Is there a command I can use or log file I can check to verify?

I'm currently working on a Dell Inspiron 1545 laptop that wont load Windows. I need to know what version is being run to reinstall the OS. I already used Puppy Linux to back up the data I need, but I need help determining what version of Windows is installed...

I have purchased an app from the apple app store a couplle of years ago and un istalled and re installed it several times during that time, the app is currently un installed and i would like to know the date the app was last re installed. I can see some...

So I have these softwares(full version) in an old computer and I want to transfer it to my new PC. I dont want to pay again for a licensed software just to add it to another computer, is there an application that can fully transfer the software and its...

I just installed the latest version of flash. When I go on youtube to check out videos, it won't load. Same with other sites like justin.tv. Also re-installed quicktime, but I get this error entitled "QuickTime Unavailable" and the message...

i can see the icon of flash player in control panel as i see programs and features icon or Display icon! i downloaded 10.3.183.5 version of it.i have an asus netbook Eee PC with windows 7 starter. i cant see the any video in facebook or youtube or any...

i can see the other person fine. they can see me. according to my pc i have installed the built in mike. i have speakers and they work fine, and so do the other persons. i cant hear them and they cant hear me! what do i need to do????? we both have the...

since i done that i have a few problems when i try to check my email and click the email button in the upper right corner it wont pop up a internet page to my emailaccount. also when i right click a contact in my messenger and click profile it wont pop...