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true... hey do they ALL use the same type of kernel?
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true... hey do they ALL use the same type of kernel?
Different distributions ('distros') will have different kernel versions - I would expect all distros intended for home use are beyond the 3.x kernel now, although some older ones such as CentOS (Redhat) 5.x/6.x will still be 2.x kernels.
I'm not entirely sure what you mean by 'type of kernel' since the only thing that comes to mind in that regard is 'traditional' vs. 'real-time' kernels which are used in industrial control systems and time-critical infrastructure management systems (and probably some HPC applications). Definitely not home users.
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If Linux is a clone of UNIX, what differs in the kernel?
linux is not a clone of unix.
linux is closer to a clone of mimix. -not that that matters.
Linux is a unix "like" system, in so far as the way it manages hardware and memory is simillar, and a lot of the utilities, (copy move, cd) etc were re-written and released under a GPL license.
those tools are called GNU. (Recurring achronym meaning GNU's Not Unix
If you find a tool that you find especially useful in Linux, (and the GNU tools are especially useful for command line work) there are ports to the windows system at GNUwin32 project.
anyway... the short answer to your question is...
There are a few different versions of Unix.
but UNIX was invented by Bell Labs. it's been bought and sold by various people, re-invented as well... but it still remains a commercial and patent protected piece of software. Linux on the other hand does not infringe on any of those patents.
it's completely written from fresh...
Apple desktops are Unix machines.
linux is closer to a clone of mimix. -not that that matters.
Linux is a unix "like" system, in so far as the way it manages hardware and memory is simillar, and a lot of the utilities, (copy move, cd) etc were re-written and released under a GPL license.
those tools are called GNU. (Recurring achronym meaning GNU's Not Unix
If you find a tool that you find especially useful in Linux, (and the GNU tools are especially useful for command line work) there are ports to the windows system at GNUwin32 project.
anyway... the short answer to your question is...
There are a few different versions of Unix.
but UNIX was invented by Bell Labs. it's been bought and sold by various people, re-invented as well... but it still remains a commercial and patent protected piece of software. Linux on the other hand does not infringe on any of those patents.
it's completely written from fresh...
Apple desktops are Unix machines.
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