Linux Shell History Introduction
'history' command will display a list of last used commands in the shell on your system. Sample syntax of : $ history <number> Like example of : $ history 10…
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Linux Shell History Introduction
Displaying Shell Expansion Introduction
If a command is entered in the command line, it expands into its output which is displayed. This is called expansion. Shell If a command you are typing will be…
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Displaying Shell Expansion Introduction
Linux Arguments Introduction
The argument, also known as a command-line argument, can be defined as the input given to executable to process that input. The argument can be simply a text. It can…
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Linux Arguments Introduction
Linux Shell Commands Introduction
The Linux shell commands are ways or instructions through which you can instruct your system to do some action. Commands are executed in the command line. Sample syntax of :…
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Linux Shell Commands Introduction
Linux File Permissions Introduction
The Linux or Unix system have three permission are below : (a) user owner. (b) group. (c) others. The Linux system have three types of permissions defined. All nine characters…
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Linux File Permissions Introduction
In-depth understanding of passwords in linux
In this article we will discuss about the local users password. Updating password can be done with two methods: First method is by using passwd command. Second method is with…
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In-depth understanding of passwords in linux
Introduction to users in Linux
Users are important factors in Linux. In this article, we will discuss about how to identify a system's user account with commands like who, whoami, etc. Linux environment can allow…
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Introduction to users in Linux
Linux rename Regular Expressions Discussion
rename command is mostly used to rename multiple files. The tool searches for a given string in filenames and renames that file with the given new string. Sample syntax of…
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Linux rename Regular Expressions Discussion
grep command in Linux – Regular Expressions & Options
grep command is used to search for string in a source. The source can be piped to it. Or it can read a file as source. Linux grep command can…
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grep command in Linux – Regular Expressions & Options
Linux Regular Expression or regex, regexp
The Unix and Linux regular expression is also call regex or regexp. It is a very powerful tool in Linux. Regular expression is a pattern for a matching string that…
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Linux Regular Expression or regex, regexp