Linux Commandstee Command in Linux with ExamplesBy RahulOctober 26, 2021tee is a command in Linux that reads from standard input and writes the output to both standard output and…
Linux TutorialsHow To Set/Create Environment and Shell variables in LinuxBy RahulJuly 10, 2021Shell, the command interpreter of an OS, processes the commands entered into the command line and widely used in Linux.…
Linux TutorialsHow to Install ZSH (Z Shell) on Ubuntu 20.04By RahulAugust 23, 2020The Zsh (Z shell) is a interactive login shell for the Unix/Linux systems. It has multiple improvement over the Bash…
Linux TutorialsWhat is the difference between Login and Non-Login Shell?By RahulApril 12, 2020What is Shell? Shell is a command interpreter or a program that reads and interprets commands issued to it by…
Bash ShellHow to Create and Use Arrays in BashBy RahulSeptember 27, 2018Bash is a popular command-line interface that is commonly used on Linux and Unix-based systems. One of the powerful features…
PythonHow to execute an external command or program in PythonBy RahulJanuary 3, 2018The Python subprocess module allows to spawn of new processes, and execute external commands or scripts from the Python scripts.…
Linux TutorialsDelete All root User Emails from a Shell in LinuxBy RahulNovember 1, 2017Question. I am running a Linux system (Ubuntu) system. Its root user has 100K emails to their mailbox. How do…
Docker TutorialsGetting Shell Access to Your Running Docker Containers: A Practical GuideBy RahulMarch 29, 2017Docker, the de facto standard in containerization, provides an efficient way to package and distribute applications. As a developer or…
Bash ShellHow to Create Binary File from Shell ScriptBy RahulAugust 15, 2015While working with the Linux systems, we used many of commands on daily basis. Most of the commands are available…
Bash ShellHow to Check File Permissions in Bash ScriptBy RahulApril 7, 2015This is good to test a file has enough permission to do read, write or execute operations. For a good…