(no subject)

[Sankalp Bhardwaj]

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Where to get started?? I am interested in understanding how the
kernel works but have no prior knowledge... Please help!!

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Re: <stupid newbie question>

[Miles Fidelman]

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Well, you could start by:

- actually doing some homework - like perusing the information at 
https://kernelnewbies.org/

- putting a subject line in your email

Just saying.

On 3/16/20 7:07 PM, Sankalp Bhardwaj wrote:
> Where to get started?? I am interested in understanding how the 
> kernel works but have no prior knowledge... Please help!!
>
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies@kernelnewbies.org
> https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

-- 
In theory, there is no difference between theory and practice.
In practice, there is.  .... Yogi Berra

Theory is when you know everything but nothing works.
Practice is when everything works but no one knows why.
In our lab, theory and practice are combined:
nothing works and no one knows why.  ... unknown


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Re:

[Valdis Klētnieks]

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On Tue, 17 Mar 2020 04:37:58 +0530, Sankalp Bhardwaj said:

> Where to get started?? I am interested in understanding how the
> kernel works but have no prior knowledge... Please help!!

A good place to start is to realize that the answers often depend on what the
question is - and there's usually a difference between the question that is
asked, and the question that the person needs the answer for.  You probably
want to read this:

https://lists.kernelnewbies.org/pipermail/kernelnewbies/2017-April/017765.html

Something that you'll need is a good understanding of operating system
concepts. Almost all modern computer systems have some idea of basic concepts
such as processes, files, a directory structure, security and permissions,
scheduling, locking, and so on.  And for most of these, there is more than one
way to accomplish the goal.

So two books that are useful to read for a compare-and-contrast view are Bach's
book on the System V kernel, and McKusic's book on the BSD kernel - both go
into details of *why* some things are done they are.  It's really helpful to
see stuff like "We need to lock this inode while we do X, because otherwise
another thread could concurrently do Y, and then Bad Thing Z will happen".

Of course, a Linux filesystem that does things differently won't have the same
exact issues, but understanding the *sort* of things that break when you screw
up your locking is quite the useful info, especially if most of your coding has
been in userspace where single-threaded is common and libraries did their own
locking when needed.

I admit that I also learned a bunch from Tanenbaum's "Modern Operating
Systems", but that was a long long time ago in a galaxy far far away, and I
have no idea what the cool kids are reading instead these days...


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Re:

[suvrojit]

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ULK by Bovet Cessati is the book u should start reading Sankalp

On Tue, Mar 17, 2020, 2:44 PM Valdis Klētnieks <valdis.kletnieks@vt.edu>
wrote:

> On Tue, 17 Mar 2020 04:37:58 +0530, Sankalp Bhardwaj said:
>
> > Where to get started?? I am interested in understanding how the
> > kernel works but have no prior knowledge... Please help!!
>
> A good place to start is to realize that the answers often depend on what
> the
> question is - and there's usually a difference between the question that is
> asked, and the question that the person needs the answer for.  You probably
> want to read this:
>
>
> https://lists.kernelnewbies.org/pipermail/kernelnewbies/2017-April/017765.html
>
> Something that you'll need is a good understanding of operating system
> concepts. Almost all modern computer systems have some idea of basic
> concepts
> such as processes, files, a directory structure, security and permissions,
> scheduling, locking, and so on.  And for most of these, there is more than
> one
> way to accomplish the goal.
>
> So two books that are useful to read for a compare-and-contrast view are
> Bach's
> book on the System V kernel, and McKusic's book on the BSD kernel - both go
> into details of *why* some things are done they are.  It's really helpful
> to
> see stuff like "We need to lock this inode while we do X, because otherwise
> another thread could concurrently do Y, and then Bad Thing Z will happen".
>
> Of course, a Linux filesystem that does things differently won't have the
> same
> exact issues, but understanding the *sort* of things that break when you
> screw
> up your locking is quite the useful info, especially if most of your
> coding has
> been in userspace where single-threaded is common and libraries did their
> own
> locking when needed.
>
> I admit that I also learned a bunch from Tanenbaum's "Modern Operating
> Systems", but that was a long long time ago in a galaxy far far away, and I
> have no idea what the cool kids are reading instead these days...
>
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies@kernelnewbies.org
> https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
>

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Re:

[Alexander Kapshuk]

On Thu, Jan 14, 2021 at 11:54 AM ‪bigbird2444@163.com‬
<bigbird2444@163.com> wrote:
>
> On Thu, Jan 14, 2021 at 8:01 AM Alexander Kapshuk
> <alexander.kapshuk@gmail.com> wrote:
> >
> > On Thu, Jan 14, 2021 at 8:14 AM bigbird2444@163.com <bigbird2444@163.com> wrote:
> > >
> > >
> > > I've just added a newbies mailing list, How to join other mailing lists, and I'd like to see what other people are communicating with.
> > >
> > > _______________________________________________
> > > Kernelnewbies mailing list
> > > Kernelnewbies@kernelnewbies.org
> > > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
> >
> > Not sure what other lists you were referring to, but you may want to
> > check out these mailing lists, http://vger.kernel.org/vger-lists.html,
> > and see if that's what you were after.
>
> >If you just would like to read the mails on >the different mailing
> >list, you do not need to subscribe.
>
> >You can find all emails at >https://lore.kernel.org/lists.html, just
> >look into the various mailing lists and see >what is of interest to
> >you.
>
> >Lukas
>
>
> Thank you, how do I subscribe to other mailing lists?
>
> Liang Peng
>
>
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies@kernelnewbies.org
> https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

By clicking on the link for the mailing list of interest, e.g.
linux-next, http://vger.kernel.org/vger-lists.html#linux-next,
followed by clicking on the subscribe link, which would launch your
email client, if available, with majordomo@vger.kernel.org as the
recipient and the following email body:
subscribe name-of-mailing-list

Alternatively, you could simply send the subscription request above
using an email client of your preference.

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