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SSH cool commands

Here are some interesting uses of SSH. On the program X11 forwarding, remotely run graphical software, access internet through an ssh tunnel ...
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Run a program in a new session on linux

How to use X to retrieve the user's choice in a script.
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Interact graphically in bash script

How to use X to retrieve the user's choice in a script.
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C and gcc optimisations

Options and compilation instructions for faster softwares execution.
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The C preprocessor

The C language preprocessor can get some useful information, simplify the code, here are some examples.
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Send an email from the command line

How to send an email from the command line.
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Clean and secure use of printf and scanf 'C'

A small guide on how to properly use the printf function to obtain a display clean and safe.
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Get environment variables in C on linux

Different ways to retrieve environment variables in language C on linux.
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Using C bits

A small overview of how to independently use bits of a byte in the 'C' language.