du command in Linux with examples

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du command, short for disk usage, is used to estimate file space usage. The du command can be used to track the files and directories which are consuming excessive amount of space on hard disk drive. Syntax : du [OPTION]... [FILE]... du [OPTION]... --files0-from=F Examples : du /home/xyz/test...

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LPIC-1 Using SED

Sed is extremely powerful, and the tasks it can accomplish are limited only by your imagination. This small introduction should whet your appetite for sed, but is not intended to be complete or extensive. As with many of the text commands we have looked at so far, sed...

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apt-get command in Linux with Examples

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apt-get is a command-line tool which helps in handling packages in Linux. Its main task is to retrieve the information and packages from the authenticated sources for installation, upgrade and removal of packages along with their dependencies. Here APT stands for the Advanced Packaging Tool. Syntax: apt-get [options]...

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Unix Sed Command to Delete Lines in File - Top 10 Examples

Sed Command to Delete Lines: Sed command can be used to delete or remove specific lines which matches a given pattern or in a particular position in a file. Here we will see how to delete lines using sed command with various examples. The following file contains a sample...

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Exam 701: DevOps Tools Engineer

Businesses across the globe are increasingly implementing DevOps practices to optimize daily systems administration and software development tasks. As a result, businesses across industries are hiring IT professionals that can effectively apply DevOps to reduce delivery time and improve quality in the development of new software products. To...

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accept - Linux Command

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NAME accept - This command causes the print queue to accept printing job requests. SYNOPSIS accept [ -E ] [ -U username ] [ -h hostname[:port] ] destination(s) DESCRIPTION The accept command allows the queuing of print requests for the named Destinations. A Destination can be either a...

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Internal and External Commands in Linux

The UNIX system is command-based i.e things happen because of the commands that you key in. All UNIX commands are seldom more than four characters long. They are grouped into two categories: ◈ Internal Commands : Commands which are built into the shell. For all the shell built-in...

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Knowledge Freedom - The Linux Professional Institute trip to Cuba

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From November 17th to 25th of 2019, the Linux Professional Institute (LPI) Latin America and Caribbean (LAC) team was reunited in Cuba for a series of activities involving Academia, Industry, Government, and, of course, the local Free Software Community. For Rafael Peregrino (Director of Partnerships), Eduardo Lima (Business...

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Run Levels in Linux

A run level is a state of init and the whole system that defines what system services are operating. Run levels are identified by numbers. Some system administrators use run levels to define which subsystems are working, e.g., whether X is running, whether the network is operational, and...

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Process Control Commands in Unix/Linux

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Process control commands in Unix are: bg - put suspended process into background fg - bring process into foreground jobs - list processes 1. bg Command: bg is a process control command that resumes suspended process while keeping them running in the background. User can run a job...

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The DevOps Paradox

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As the evolution of technology marches forward, more and more tools and knowledge becomes available. We actually have so many tools and so much knowledge at our disposal nowadays that it’s sometimes difficult to choose what tool(s) we use and what knowledge we use. Of course, all tool-inventors...

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Tar Command Examples in Unix / Linux

In windows operating system, you might have used the winzip and winrar softwares for extracting and archiving the files. Similarly in unix or linux operating system, the tar command is used for creating archive files and also extracting files from the archives. With the tar command, you can...

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