Hello World: start running Linux

Source: Internet
Author: User
Initiazliation
==========
The Linux boot process (Click me)
  • Runlevels
  • Boot scripts
  • Init
  • Root Password Recovery
  • Starting and stop services (daemons)

Path format
==========
Note that Linux, like UNIX, uses the colon (:) character to separate entries in the PATH variable, rather
Than the semicolon (;) That MS-DOS and Windows use.

C programming enviroment
==========
Emacs + gcc

  • Introduction to tools: Unix programming tools
  • New Users learn how to configure C, C ++, GTK, QT, and other development environments: Good
Just installed GCC can not compile anything, because there are no necessary header files, so to install build-essential, installed this package will install g ++, libc6-dev, linux-libc-Dev, libstdc ++ 6-4.1-dev and many other necessary software and header files.
Sudo apt-Get install build-essential

Todo
==========
If you are interested in doing this later, this is not the key. Use IDE.
Emacs tutorial saw a comment on Ubuntu CN: Martian Tool

Compiling in Emacs

Features of GCC, eg, the return value of main

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