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Old 07-13-2013, 05:06 AM   #1
Naumani
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Data transmission


Hi

I am relatively new to Linux

Which device in Linux is responsible for serial data transfer.

Thanks in advance.
 
Old 07-13-2013, 05:47 AM   #2
Doc CPU
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Hi there,

Quote:
Originally Posted by Naumani View Post
I am relatively new to Linux
we all used to be some time. Welcome to a new realm of mystery and power. ;-)

Quote:
Originally Posted by Naumani View Post
Which device in Linux is responsible for serial data transfer.
There are many - USB, SATA, I2C, ... they're all serial interfaces of sorts.
But I guess you mean the traditional RS232 interfaces. They are mapped to ttyS1, ttyS2, ... in Linux.
However, you're probably aware that (regrettably) this kind of interface is dying out. Most modern PCs come without them nowadays, at best, they have a pin header on the mainboard that you could connect to a Sub-D9 jack.
That's why we have to buy extra add-on cards with 2 or 4 serial ports these days, or USB/RS232 converters. :-(

[X] Doc CPU
 
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Old 07-13-2013, 06:30 AM   #3
Naumani
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Thanks

Thank u sir very much

I love Germany
Who produced people like sir Carl fried rich Gauss and Einstein.



But what is the difference between TTY and ttys2.

Thanks in anticipation.
 
Old 07-13-2013, 02:59 PM   #4
Doc CPU
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Hi there,

Quote:
Originally Posted by Naumani View Post
Thank u sir very much
no need to say "sir" - we're on very informal terms here, are we? ;-)

Quote:
Originally Posted by Naumani View Post
I love Germany
Who produced people like sir Carl fried rich Gauss and Einstein.
Oh yes, a lot of famous people came from Germany. But from many other countries, too. Mozart and Schwarzenegger, however, are from Austria, even though some people from far away keep mixing Germany and Austria - maybe because we speak very much the same language. Well, Austrian German sounds a bit different from so-called "pure" German, but then again, even within Germany, the various dialects sound very different. People from Hamburg on the North Sea coast, for instance, may have trouble understanding people from Munich in Bavaria. Even some cities in Germany seem to have their own very characteristic dialect, like Cologne, or Mannheim.

Quote:
Originally Posted by Naumani View Post
But what is the difference between TTY and ttys2.
Erm, I'm not quite sure (haven't fully understodd the principle yet). As to my understanding, tty0, tty1, ... are virtual interfaces that connect to a console window, for example, while ttyS1, ttyS2 and so on correspond to real, physical ports. Note the uppercase 'S', as Linux is case sensitive in general. TTY (in capitals and without suffix) is just a generic everyday-language-term referering to all these character-based interfaces.
May anybody correct me if I'm wrong.

[X] Doc CPU
 
Old 07-13-2013, 03:36 PM   #5
onebuck
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Hi,

Welcome to LQ!
Quote:
Originally Posted by Naumani View Post
Thank u sir very much

I love Germany
Who produced people like sir Carl fried rich Gauss and Einstein.



But what is the difference between TTY and ttys2.

Thanks in anticipation.
We discourage the use of SMS or abbreviated text speak here at LQ. Please compose your material by not using such text since understanding someone is easier when words are spelled out.

Look at his Linux serial page to get a understanding of use.

Following links should help you now and in the future;
Quote:
Just a few links to aid you to gaining some understanding;



1 Linux Documentation Project
2 Rute Tutorial & Exposition
3 Linux Command Guide
4 Bash Beginners Guide
5 Bash Reference Manual
6 Advanced Bash-Scripting Guide
7 Linux Newbie Admin Guide
8 LinuxSelfHelp
9 Utimate Linux Newbie Guide
10 Linux Home Networking
11 Virtualization- Top 10

The above links and others can be found at 'Slackware-Links'. More than just SlackwareŽ links!
Hope this helps!
 
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