Knowhow
From Tuxwiki
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Video
File systems
This is an overview of filesystems and their limitations.
Some hints for using raid systems.
The various Linux device file systems
Computers
This is an overview of CPU types.
Time Zones
Units
What is the unit "mil"? The unit "mil" is one thousandth of an inch. One inch is 25,4mm, so
- 1 mil = 0,0254 mm
- 10 mil = 0,254 mm
- 20 mil = 0,58 mm
- 40 mil = 1,16 mm
- 100 mil = 2,54 mm
ISO Standards
Overview of important ISO standards:
ISO 639 Assigns shortcuts to languages (e.g. en = english)
ISO 2022 Encoding scheme to store text in different languages.
ISO 8859 Defines fifteen different eight bit character sets.
ISO 10646 Defines the Universal Character Set (UCS)
Network protocols
Almost everyone knows the http:// protocol, and others like ftp:// are also still well known. But, there are a lot of other protocols which evolved during the last years; this is an approach of an overview of these protocols.
- http The hypertext transfer protocol
- https The secure hypertext transfer protocol
- ftp The file transfer protocol
- tftp The trivial file transfer protocol
- sftp The SSH file transfer protocol (also: the simple file transfer protocol)
- fish
