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Welcome back. You've learned
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about the basics
of computing with
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binary and the hardware layer
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of the computer architecture.
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Now, it's time to move on to
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the next layer, the
operating system.
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By the end of this lesson,
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you'll know what an
operating system is,
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and what makes up an
operating system.
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You also get some
hands-on experience with
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the three biggest operating
systems used today.
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Before we get deeper
into operating systems,
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I'd like to introduce
myself to you.
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My name is Cindy Gouache and I'm
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a Site Reliability
Engineer at Google.
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The team I work on
is responsible for
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the management and support of
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Google's entire
internal mobile fleet.
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Android OS, IOS, and Chrome OS.
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Before focusing on mobile,
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I was a systems administrator
on the Linux team.
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Before that, I was an
Operations Engineer.
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But like a lot of the Googlers
you've met and will meet,
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I started my career as an
IT support specialist.
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I've been working in IT
for seven years now.
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The first time I can
remember interacting
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with computers was in
middle school when
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my teacher brought them into
our classroom so we could
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create fun video and
multimedia projects.
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It was my brother who brought
technology into our house.
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My parents were immigrants from
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Vietnam and we didn't have
a lot of money growing up.
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We had to be creative
if we wanted to
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play with a computer at home.
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I can remember spending hours
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with my brother as he assembled
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a computer and I will just
ask a million questions.
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Eventually, I wanted to try
and build my own computer,
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so I gathered up some old parts
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and save money to
buy new components.
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I finally put all
the parts together
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from what I remembered
my brother doing,
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but it just didn't work.
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It turns out that I use
some incompatible parts.
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But through a lot of trial
and error, troubleshooting,
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and long search sessions
on the Internet,
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I finally got it to work.
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The feeling I got when
I heard my computer
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boot up for the first
time was amazing.
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Before I knew it, I also
worked on computers.
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I really enjoyed the
intense concentration
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and problem-solving
required in IT.
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But I didn't think
a career in tech
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was even possible back then.
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Once I got to college,
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I had to find a job to
help pay for tuition
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and that job was an IT
support specialist on campus.
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That's when I
realized that take is
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actually something I
could pursue as a career.
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Operating systems are an
essential part of IT support.
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Everyone uses their computer
to accomplish something.
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Whether that's browsing the web,
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writing a novel,
making graphics,
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playing video games, etc.
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Whatever the case may be,
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they need to interact with
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their operating system to do it.
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IT support, it's essential to
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understand how
operating systems work,
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so you can help
someone accomplish
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the task they set out to do.
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Whether that's figuring out
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why an application won't start,
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why the graphics look funny on
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their video games
or anything else.
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Things can get really
messy and challenging,
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and that's part of
the fun. Let's begin.
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