#howtolinux
A user in Linux is an entity that runs processes and owns files. Every process in user space has a user.
A user is identified by a numeric id.
The user entity is needed to create permission boundaries in the OS.
Groups are collections of users.
The super user called root is the only user that can access other users files and processes. It also runs in user space but has kernel level privileges.
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#howtolinux
A hardware unit called memory management unit helps the kernel provide a virtual memory address to processes. When a process accesses a virtual memory address, the kernel uses the MMU to map that virtual address to an actual physical address on the RAM.
The implementation of virtual address mapping is called a PAGE.
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20 Jun 2014
A new @howtolinux is OUT: bit.ly/h2l-3 @Nunes and crew visits @pogolinux to learn about the high-end Linux solutions they build!
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7 Jun 2014
I have launched a new show with @ChrisLAS called @howtolinux - Complete with a @Patreon!
patreon.com/creation?hid=553…
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6 Jun 2014
The first episode of @howtolinux is OUT: bit.ly/h2l-ep1 Join @Nunes on his journey as he switches to Linux! youtube.com/watch?v=0gVZxQWl…
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15 May 2014
Busy day in store! Working with @ChrisLAS on @howtolinux! Planning and possible beta shoot today! Woot!
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21 Feb 2014
.@tweettsp Very very soon. @ChrisLAS and myself will be a launching a new show called @howtolinux and will be using @Patreon!
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17 Feb 2014
. @Mr_Gentoo @howtolinux Check out the awesome Mr. @ronaldjenkees Days Away Album: ronaldjenkees.com/mp3-store/ Though you might want all three!
9 Mar 2013
Will you help us build a collective knowledge base for #Linux? Submit a video tutorial: bit.ly/VMnlmW #howtolinux
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3 Mar 2013
Will you help us build a collective knowledge base for #Linux? Submit a video tutorial: bit.ly/VMnlmW #howtolinux
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27 Feb 2013
Will you help us build a collective knowledge base for #Linux? Submit a video tutorial: bit.ly/VMnlmW #howtolinux
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16 Feb 2013
100 Linux Tutorials: How to Record Your Screen with the avconv Command bit.ly/WI9rTs #howtolinux #linux
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15 Feb 2013
Join the campaign to build a collective knowledge base of #Linux videos. Here's how: bit.ly/VMnlmW #howtolinux
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30 Jan 2013
Have #Linux knowledge to share? Add your video to our 100 Tutorials Campaign site: bit.ly/VMnlmW #howtolinux
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28 Jan 2013
Join the campaign to build a collective knowledge base of #Linux videos. Here's how: bit.ly/VMnlmW #howtolinux
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27 Jan 2013
Will you help us build a collective knowledge base for #Linux? Submit a video tutorial: bit.ly/VMnlmW #howtolinux
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23 Jan 2013
Will you help us build a collective knowledge base for #Linux? Submit a video tutorial: bit.ly/VMnlmW #howtolinux
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23 Jan 2013
100 Linux Tutorials: new video by @victorhck1 on using YaST with @SUSE bit.ly/WM9tHN #howtolinux #linux
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