LINUX TIPS & TRICKS

Post here shortcuts and some commands that can help somebody to program efficiently and quickly.

• Vim Editor Command to automatically indent the code with proper tab spaces and to increase readability of a program.
• First,press ESC key.Then type :(colon).
• Press Enter .
• then type gg=G.
• THIS WILL AUTO-INDENT YOUR CODE AUTOMATICALLY.
• To set proper tab space and other attributes.
• open vimrc file which is configuration file for vim editor.
• vim /etc/vimrc.

If you want line number permanently enable while making any c program,then add
:set number in VIMRC file.

• Set these options to make c program more readable and indented.
• :set pastetoggle<f5>
• :set tabstop=6
• :set shiftwidth=4
• :set cindent
•  TO CHANGE COLORSCHEME OF VIM EDITOR
• Press esc,then enter command :colorscheme
• To view available colorschemes press TAB
• choose your desired colorscheme and press ENTER.

For more detail you can visit here: www.emblogic.com

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There are Six Phases of C Program Development

Phase 1: Editor

 
Programmer creates program in the editor and stores it on disk.one of the text editor is vim which creates the c program files in Linux operating system.

Phase 2: Preprocessor

 
The c pre-processor is a macro processor that is used automatically by the c compiler to transform your program before actual compilation .

Phase 3: Compiler & interpreter

 
The compiler read the whole program and translated it into machine language completely.compiler needs syntactically correct program to produce an executable code.

Phase  4: Linker

 
Linker link the object code with the libraries creates an executable file and stores it on disk.

Phase 5: Loader

 
The process which loads the program into memory and then instruct the processor to start the execution of the program from the first instruction.

Phase 6: CPU

 
CPU takes each instruction and executes it.possibly storing new data values as the program executes.

This is typical c program development environment.