Linux Command 001---grep command

grep command

1. Function:

The grep command in a Linux system is a powerful text search tool that uses regular expressions to search for text and print matching lines. The grep full name is the global Regular expression Print, which represents the globally regular expressions version.

2. Permission to use:

all users.

3. Format:

grep [options]

4. Main parameters:

[Options] Main parameters:

-A,--text: Do not ignore binary data.

-a,--after-context: Displays the number of rows,

-C: Outputs only the count of matching rows.

This article is from the "Chi Kim Linux" blog, please be sure to keep this source http://shenzhijin.blog.51cto.com/1741240/1737623

Linux Command 001---grep command