The Linux kernel does not have a process id (also called pid). Process 1 is almost always the process scheduler, init. PIDs are assigned to each subsequent process that is started and they will...
The kernel is the core of the operating system.It is loaded into memory when the system is booted and communicates directly with the hardware.Users programs that need to access the hardware,use the...
You can have as many compiled kernels in your Linux installation as you want (disk space is your limit). However, you can only boot one kernel at a time.