Knowledge

How Mac Os X has been divided 

 

OS X El Capitan

1 v10.11.1 15B42
2 v10.11 15A284

OS X Yosemite

1 v10.10.5  14F27
2  v10.10.4  14F27
3  v10.10.3  14F27
4  v10.10.2  14C109
5  v10.10.1 14B25 
6  v10.10  14A389

Mavericks 

1  V10.9.5  13F34
2  V10.9.4  
3  V10.9.3  13D65
4  V10.9.2  13C64
5  V10.9.1  13B42
6  V10.9  13A603

 Mountain Lion

 1  V10.8.5  12F37,12F45,12F2029
 2  V10.8.5  12F37
 3  V10.8.4  
 4  V10.8.3  12D78
 5  V10.8.2 12C54,12C60,12C2034
 6  V10.8.1  12B19
 7 V10.8  12A269

ALL OLD 

OS X Lion v10.7.5 11G56* or 11G63
OS X Lion v10.7 11A511
Mac OS X Snow Leopard v10.6.8 10K540 or 10K549
Mac OS X Snow Leopard v10.6.3 10D575
Retail installation disc
Mac OS X Snow Leopard v10.6 10A432, 10A433 (Server)
Retail installation disc
Mac OS X Leopard v10.5.8 9L30, 9L34 (Server 10.5.8 v1.1)
Mac OS X Leopard v10.5.6 9G66
Retail installation disc
Mac OS X Leopard v10.5 9A581
Retail installation disc
Mac OS X Tiger v10.4.11 8S165
Mac OS X Tiger v10.4 8A428
Retail installation disc
Mac OS X Panther v10.3.9 7W98
Mac OS X Panther v10.3.2 7D28
Installation disc
Mac OS X Panther v10.3 7B85
Installation disc
Mac OS X Jaguar v10.2.8 6R65 or 6R73
Mac OS X Jaguar v10.2.3 6G37, 6G35 (Server)
Installation disc
Mac OS X Jaguar v10.2 6C115
Installation disc
Mac OS X Puma v10.1.5 5S60, 5S66 (with Networking Update 1.0)
Mac OS X Puma v10.1 5G64, (5L14 or 5L17b with Security Update 10-19-01)
Installation disc
Mac OS X Cheetah v10.0 4K78
Installation disc

Which os x is for which system?  

http://www.everymac.com/ultimate-mac-lookup/

If your iMac or Macbook pro fan runs very fast and makes loud noise then go to

http://www.crystalidea.com/macs-fan-control

and download this application to control your fan speed. (we do not take any responsibility for any damage or data lost or anything else, it is only an information which we are sharing. Please email directly to the company  Thanks

Apple_MacBook_Pro_(MB990LLA)_Notebook_Computer_(iSi)_-_Motherboard_Top
 https://en.wikipedia.org/wiki/History_of_macOS
 Useful links
Test your internet speed  http://www.speedtest.net
 Find out your ip address  http://ipaddress.com/

ip address and provider

 Pin connection for Audio  https://www.youtube.com/watch?v=OdrNUOEypqc&t=265s
Learn using Mac in one day https://www.youtube.com/watch?v=MN0FD8KW2V4
https://www.youtube.com/watch?v=nzo_xFZ43QY
https://www.youtube.com/watch?v=I96nVmnzUqE
How to backup Ms office 2017 outlook pst file http://www.bing.com/videos/search?q=office+2016+pst+backup&&view=detail&mid=5A4B298431F13B59BBA15A4B298431F13B59BBA1&FORM=VRDGAR
useful web links https://www.youtube.com/watch?v=BtED_YmgZFM