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UNIX Architecture

The UNIX operating system is made up of three parts •Kernel •Shell •Application programs.   The Kernel is the core  of the operating systems – a collection of routines mostly << learn more >>

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Linux Directory Structure (File System Structure) Explained with Examples

1. / – Root Every single file and directory starts from the root directory. Only root user has write privilege under this directory. Please note that /root is root user’s << learn more >>

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5 Methods to Get Quick Help on Linux Commands

1. Using apropos to search man pages Use apropos to search man pages for available Unix commands on a specific functionality. About apropos command from the man page: apropos searches << learn...

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Bash Shell of Linux

Shells A shell is an environment in which we can run our commands, programs, and shell scripts. There are different flavors of shells, just as there are different flavors of << learn more >>

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Bash Shell Variables – Part 1

A variable is a chunk of memory to which you can store arbitrary data, and retrieve it again, just by referencing its name. There is no need to explicitly allocate << learn more >>

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Bash Shell Variables – Part2

2.Read:  read VAR An interactive way to set a variable is with the read command: [crayon-51d83bb3da9f6/] If you run this script, it will prompt for one line of input, and << learn more >>

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Bash Positional Parameters

A parameter is an entity that stores values. It can be a name, a number or some special characters. A variable is a parameter denoted by a name. Some variables << learn more >>

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Essential Vim Editor Navigation Fundamentals

Navigation is a vital part of text editing. To be very productive, you should be aware of all possible navigation shortcuts in your editor Line navigation Screen navigation Word navigation <<...

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Bash For Loop Examples for Linux Shell Scripting – Part 1

There are two types of bash for loops available. One using the “in” keyword with list of values, another using the C programming like syntax. Method 1: Bash For Loop << learn more >>

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Bash For Loop Examples for Linux Shell Scripting – Part 2

1.Bash for loop using C program syntax This example uses the 2nd method of bash for loop, which is similar to the C for loop syntax. The following example generates << learn more >>

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