So, now that you know how to get to command line the next step is to start using it. We will discuss 5 basic Linux commands for beginners. Understanding the General Command Syntax Any command will have the following syntax command options arguments command: refers to the command name. For example, ls, pwd, date, chmod …
The power of Linux lies in its command line. So, the first thing to know is – how to access command line in Linux? There are two ways of accessing command line in Linux:1. Opening an application (called Terminal) within the GUI2. Opening one of the Virtual Consoles 1. Opening an application (called Terminal) within …
Planning to learn Linux! Wonder what you all hardware, software or personal skills to require before you begin. So, lets discuss the prerequisites for learning Linux. What is Linux? Linux is an open-source Operating System which helps you to operate your computer/laptop. So, its objective is similar to that of Windows/macOS. There are many Linux …
grep command in Linux is used to search for patterns within a file i.e., it will help to your search for content within a file. For example, if you want to search for “help” within a file f1.txt, then you can use grep command. A pattern is different from a word. For example, the as …
The cd command in Linux is used to change the current directory. cd is a shell builtin command. Syntax cd [path] where path specifies the path of the new directory. For example: The current working directory as checked with pwd command was /home/baljit/search. Next, we use cd to change the directory to /home/baljit/cse325 Different methods …
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Sometimes you want to apply command on several files or a subset of files. For example, you want to delete all files whose name starts with “TH”. So there are two ways to do it. One, you delete them one by one or you specify some pattern which matches all files starting with “TH”. In …
In this post we focus on How to use touch command in Linux? Use touch command is used to update the timestamp of a file or directory. Timestamp means that it will update the access and modification times of the file or directory specified. Syntax touch [OPTION]…[FILE]… Example of How to use touch command in …
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Use ls command in Linux is used to list the directory contents. If a directory name is not specified then the contents of the current working directory are displayed. Syntax ls [OPTION]… [FILE]… Example of How to use ls command in Linux? First, we use ls without specifying any directory name. So it displays the …
Whenever you create a file or a directory in Linux, the system automatically assign them certain permissions. So if you want to change these default permissions, you meed to use the umask command. In this post we are going to learn, How to set default file permissions using umask command in Linux. Use umask command …
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In this post we will learn how to define variables in shell script. A variable is used to store any value. The value can be an integer, float, character or even a string. There is not need to write the data type as is the case with C or C++ languages. For example x=1 y=2.5 …