Find is an one of the versatile command and very useful to searches files, directory tree hierarchy on Linux and Unix. It's have many options and types for searching files from the directories. The following commands given different outputs,

geoiplookup command is to get the Country that an IP address or Hostname use the GeoIP library and database. These online services and its freely available GeoIP databases such as those from MaxMind.

If you have necessary to find and remove a specific line from am file on Linux system use following different command, For example the below command remove a line which contain a string,

DIG command is very flexible tool for shows domain information and DNS lookups you can easily find out your domain name servers, MX records, A records, AAAA Record, TXT Record and other related informations.

HEAD command is print the number of lines or data of the given input. Default head command print the first 10 lines of each file. This post explains few different usage head command,

On Linux platform we are managing our system by commands on terminal. It's often important to check system load like, CPU utilize as percentage wise, memory used per process wise, users resource usage.

TOP command is very helpful to displying current running on system status. Update and display top CPU processes periodically. We can view different types of processing status by using keys.