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,

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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.

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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,

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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.

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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.

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​du command is very simple and useful for Summarize and estimate files, directories space usage on Linux or Unix system. Can get different types of disk usage information. Also show usage of each FILE, recursively for directories.

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SCP command help us copies files, directories between hosts on network. If you could not found command we need to install openssl client package.

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