How To Download, Install and Use GNU Grep On Windows?
grep is a very powerful and useful tool used in Linux and Unix operating systems. It is mainly used to match and print specified text in given text files in different formats. grep also have...
Tagged: grep
Regex Space, Whitespace, Tab Usage Examples
When dealing with the text files such as log files, user list, server list etc we can use regex for formally structured files. Space, white-space, and tab are popular separating elements used in regex or...
How To Create Case Insensitive Regex?
Regex is used given text according to different and flexible patterns. It provides a lot of different patterns which can match given text or line. The default behavior of the regex is case sensitive which...
Using Grep Case Insensitive
grep is very useful too to match and find phrases, words and characters in test. One of the most used situation is using grep case sensitive or case insensitive. In this tutorial we will examine different examples....
Python Glob() Function To Match Path, Directory, File Names with Examples
glob is a general term used to define techniques to match specified pattern according to rules related Unix shell. Linux and Unix systems and shells also supports glob and also provide function glob() in system libraries. In...
How To List Installed Packages In Ubuntu, Debian, Kali, Mint
Ubuntu, Debian, Kali and Mint distributions uses apt-get and dpkg commands for package management. We generally use this commands to install or remove packages from Linux systems. But in some cases we may need to list and...
How To Get Linux Network IP Address In Different Ways ?
We can determine Linux system IP address in different ways. IP address is used to communicate over network and can be get and set in different ways. In this tutorial we will use Ubuntu distribution...
Troubleshoot and Check Cron Job Logs
cron is very useful tool and mechanism to schedule jobs in Linux operating system. cron can run scripts, commands, binaries if set properly. But in some cases there may be some mis-configuration or unexpected behavior....
How To Grep Multiple Strings, Patterns or Regex in A Text File In Linux?
grep provides a lot of features to match strings, patterns or regex in a given text. One of the most used feature is to match two or more, multiple string, patterns or regex. In this...
Linux Bash Pipe Command Usage with Examples For Redirection
Linux Bash provides a lot of useful features and commands. Pipe or | is one of them. Bash provides command line interface facility which mainly used to concatenate command output to another command. Concept In Linux...
