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1. Change the user permissions of the file and note the changes after ls -ltr Here you can see the file abc has permission 777 that means it has all...
A 📦package manager is a tool that is used to install, upgrade, manage, and remove packages. It is responsible to manage dependencies and to track all...
Task 5 of #90daysofdevops Task :- Write a bash script createDirectories.sh that when the script is executed with three given arguments (one is the...
🐚 What is Shell? 🤔 A shell is a special user program that provides an interface for the user to use operating system services. Shell accepts...
Command to view what's written inside a file? cat <filename> The "cat" command shows the content written inside the file. Example: Suppose, we have...
History of Linux🐧 🐧 Linux is a free and open-source software operating system from the Unix family. 👨💻 It was developed by Linus Torvalds, a...
