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Merge branch 'master' of github.com:thomasabishop/computer_science

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Thomas Bishop 2022-11-15 08:02:23 +00:00
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Operating_Systems/Disks/Partitions.md
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# Disk partitions # Disk partitions
A disk is divided up into [partitions](/Operating_Systems/Disks/Partitions.md) which are subsections of the overall disk. The kernel presents each partition as a [block device](/Operating_Systems/Devices.md#Devices.md) as it would with an entire disk. A disk is divided up into [partitions](/Operating_Systems/Disks/Partitions.md) which are subsections of the overall disk. The kernel presents each partition as a [block device](/Operating_Systems/Devices.md#Devices) as it would with an entire disk.
The disk dedicates a small part of its contents to a **partition table**: this defines the different partitions that comprise the total disk space. The disk dedicates a small part of its contents to a **partition table**: this defines the different partitions that comprise the total disk space.

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Operating_Systems/User_Space.md
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@ -12,6 +12,7 @@ User space is the portion of the main memory that the kernel allocates for user
There is a hierarchy within the user space with several different groups of user processes: There is a hierarchy within the user space with several different groups of user processes:
<dl> <dl>
<dt>Basic services</dt> <dt>Basic services</dt>
<dd>Run at the bottom level and therefore are closest to ther kernel. Comprises small components that perform single, uncomplicated tasks. Examples include network configuration, the communication bus, and diagnostic logging</dd> <dd>Run at the bottom level and therefore are closest to ther kernel. Comprises small components that perform single, uncomplicated tasks. Examples include network configuration, the communication bus, and diagnostic logging</dd>
<dt>Utiility services</dt> <dt>Utiility services</dt>