Kernel & shell
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Posted By:   raju_mahore
Posted On:   Tuesday, August 5, 2003 09:50 PM

What is Kernel & Shell in Linux Operating System?What is the difference between them?

Re: Kernel & shell

Posted By:   Christopher_Koenigsberg  
Posted On:   Wednesday, August 6, 2003 06:16 AM

A "shell" is just another application program, like any other, running in user mode. The "kernel" is the library stuff, the system calls, that run in privileged "kernel" mode. Most application programs make at least some system calls (accessing resources mainly), so they use some stuff that runs in kernel mode for at least a little while.

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