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What is a package manager in Linux? A package manager in Linux is a software tool that automates the process of installing, upgrading, configuring,...
All 90 directories within seconds using a simple command. mkdir day{1..90} 1.You have to do the same using Shell Script i.e using either Loops or...
What is Kernel ? The kernel is a computer program that is the core of a computer’s operating system, with complete control over everything in the...
Types of file Permission Basic Permission Special Permission ACL ( Acess Control List) permission Permission details Permission...
Create a user and an account adduser mbubur Create a Password for user mbubur passwd mbubur Adding new user ( mbubur) to the sudo group usermod -aG...
$ pwd It stands for "Print Working Directory. It is used to print the current working directory. pwd $ ls It shows the contents of a directory and it...
