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I'm a first time Mac user.

Aside from checking out the installed applications on my Applications folder, are there other ways to find out what applications have been installed on my OS X Lion?

When I tried out the Terminal, and then assumed that the IRB (Interactive Ruby) or Ruby was installed, so I typed "irb" and it did work. It ran the Interactive Ruby and I was typing simple Ruby commands then!

I tried typing "python" too and the Python prompt then appeared. I typed some basic Python commands like "print 'hello world'" and it worked too!

I was thinking if there was a way to find out just like the Add/Remove Programs that I was used to when I was still using Windows XP/7 back then.


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I wanted to find out what programs or tools that were installed in my OS X Lion, especially ones that are related to web development? I was asking myself this questions: "This this already have Apache installed or not?", "Is MySQL already installed here", "What about Ruby?". I was assuming these questions because of my experience on some Linux installations were these tools are bundled with the installation of the OS. – Panoy Jul 25 '12 at 6:11
I don't miss "Add Remove Programs" at all, but sometimes I miss having the kind of overview you are after. There's nothing wrong with listing the contents of /bin and /usr/bin just to get a quick peek at what in on your path. Sqlite is there. – ephsmith Jul 25 '12 at 6:28
Apache is there. You can enable it in System Preferences-> Sharing -> Web Sharing. – ephsmith Jul 25 '12 at 6:29
You may also find that some of the programs Apple packages with the OS are a bit outdated. I'm going to start the MacPorts vs. HomeBrew shout-outs with MacPorts as my pref. These two can provide you with access to more and more current packages. – ephsmith Jul 25 '12 at 6:31
@Panoy, if you are worried about versions already you may want to look into MacPorts, Fink, or HomeBrew. MacPorts has many recent packages available. – ephsmith Jul 25 '12 at 15:40

Apple Menu > About This Mac >

In the resulting window: (More Info)

In the side bar of the resulting window: Software > Applications

Columns presented:

Application Name | Version | Last Modified

Click on a row to see more details:

  • Kind (architecture)
  • 64 Bit
  • App Store
  • Get Info String
  • Location (in the file system)

I see Python this way (3 different versions actually) but not PHP or Ruby.

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I think I have ruby installed as I'm playing with the Interactive Ruby on the Terminal but it didn't show up with I've done the procedure you're talking about. Hmmm, I might check up again just to make sure. – Panoy Jul 26 '12 at 2:14

You can search for executable files with mdfind 'kMDItemContentType==public.unix-executable'. It seems to exclude files inside application bundles and files with a filename extension though.

mdfind '' would search for application bundles.

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