Linux Grep Command

Grep command stands for Global Regular Expression Printthis command looks inside the file and display a text by searching.this command are used many options like -i and more options used this command the following example and discription of this command.

Syntax

$grep [option] [text or pattern to be searched] [file_name]

Example

 
$grep "tutorialsstudio" file1.txt
							

it will display the whole statement,containing a text(pattern) "tutorialsstudio" inside file1.txt(Searching text will be highlighted).note that,it will follow the case according to your searching text,like here tutorialsstudio keyword will be found with starting "t".