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Old 10-23-2009, 05:08 PM   #14
KJnbceja

Join Date
Oct 2005
Posts
435
Senior Member
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but if your processor is barely being used, how is that good? You have left over work capability, but no workload being used. isn't that inefficient?

if i were to design an OS, my goal would be to use about 95% of the processor at all times, no matter what. this means i am delivering the highest processing speeds in all environments.
If the same amount of work is being done in less flops then that can't be considered inefficient. More flops is more heat, more electricity used, and more time. That can't be as efficient.

I have several dual boot systems on ALL of them the boot time is faster in Ubuntu then in Windows. The time to load and run an app is shorter in Ubuntu then Windows. One of the big problems with windows is the great deal of legacy code still in the kernel. Not to mention that it's code is over 15 years old and STILL is not very modular. You can't make many changes in Windows without having to reboot. You are forced to load every part of the os.

I have both Windows servers and Linux servers. The linux servers only boot to a command line. When I need a GUI, I can issue a single command and have it launch. When I am done with it I can shut that part down. It's much faster and I need less state of art hardware to get a fast and functional server.

The only time I reboot it is when I patch the kernel. I can change drivers, change my mail server settings, make network changes, patch the GUI and never have to reboot. The service is stopped and restarted. I don't have to mess with a convoluted and prone to error database called the registry that if it fails takes out the entire system. If I have a rare major crash all I have to do is reset the GUI. I don't have to reboot the system.

I also don't have to mess with the inane drive letter system. Ever add a second hard drive to an existing Windows system? For some reason known only to the creators of DOS a hard drive MUST be placed before the CD-ROM drives. SO if you have CDROM at drive D. It gets moved to Drive E: All your previously installed programs still look at drive D. If you have a game or a program that needs to see the CD Rom drive you have to either edit the registry(good luck with that) or reinstall. PITA. It Linux the drive is mounted where ever I want it to be. Linux systems use the superior Ext3 and now Ext4 file systems. They never need to be defragged.

And note that as a Mac is Unix based most all of the statements above also apply to it as well.
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