capercally.bleery670@??? writes:
> On Wed, Mar 01, 2023 at 02:38:20PM -0500, Steve Litt wrote:
>
>> >A definition of init could be useful here: That's the one program the
>> >kernel knows about[*]. After the kernel finished
>> >booting, it creates a process and executes the init program. [**]
>>
>> Thanks Rainer!
>>
>> I inserted your definition into my presentation and attributed it to
>> you. The presentation already had several other definitions, and yours
>> adds the fact that PID1 is the only program the kernel knows about.
>
> There's a bit of an ambiguity here. "Program" can (and in varying
> contexts, does) mean:
>
> - an executable file (maybe including interpreted scripts)
> - a process

A program (file) is something whose filesystem location is a valid
first argument to the execve system call. A process is a kernel
abstraction for running programs.