Hidden files in Linux are the files that are not listed when the user runs the ls command. The name of a hidden file starts with a. dot(.) In Linux, not only files, but directories can be hidden as well. Files are hidden in Linux for many reasons. One of them is to make sure …
Nc or the Netcat command, is a networking command-line tool in Linux. It works like a port scanning tool, a security tool, a network troubleshoot tool, or a network monitoring tool. It is an important utility for system administrators to be aware of and is often referred to as the Swiss army knife of networking …
In this article, we’ll be talking about the pstree command in Linux. When it comes to finding running processes on your Linux system, there are multiple options available. The ps command is the more popular option among these options. The top command is another popular choice for viewing the currently running processes. Both of these …
The pstree command in Linux – Display Process Trees Read More »
The expr command in Linux evaluates a given expression for you and displays the output. It also lets you perform certain string operations such as finding length, substring and more. In this tutorial, we will learn how to perform these operations. First, we will look at the arithmetic operations and then move on to the …
The expr command in Linux – Evaluate Expressions and Perform String Operations Read More »
The install command in Linux copies files and sets file attributes. It is not to be used for installing packages. For installing packages on to your Linux system you should use apt command or yum command. In this tutorial, we will learn how to use the install command for copying files and changing file attributes. …
The split command in Linux lets you split large files into smaller files. The smaller files by default contain 1000 lines each. However, the split command also gives you the option to customize the number of lines and bytes in each of the smaller files. In this tutorial, we will learn how to use the …
The split command in Linux – Break large files into smaller files Read More »
The bc command, short for basic calculator, is a language that supports arbitrary precision numbers with interactive execution of statements. Its syntax is similar to that of C programming language. It has two major applications. One as a mathematical scripting language and the second as an interactive mathematical shell. In this tutorial, we will learn how to …
The bc command in Linux – How to Perform Mathematical Operations in Linux Shell? Read More »
The iostat command in Linux lets you monitor CPU utilization and I/O (input /output) statistics of all the disks and file systems. Iostat reports are useful for changing system configuration to better balance the input/output load between physical disks. This command is a must-know for Linux system administrators. In this tutorial, we will be learning …
The iostat Command in Linux – Monitor and Generate CPU and Device Utilization Reports Read More »
The who command in Linux gives you information about the currently active users. In this tutorial, we will learn how to use this command. We will also learn about a list of options available along with the who command. Let’s get started! Running the who command without arguments When you use the who command without …
The whereis command helps you to find the source files, binary files, and manuals sections for Linux commands. It locates the desired program in the standard Linux places, and in the places specified by $PATH and $MANPATH. In this tutorial, we will learn how to use the whereis command in Linux. Let’s get started. How …