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Apr 20, 2023 · 3 min read · What is a package manager in Linux? In simpler words, a package manager is a tool that allows users to install, remove, upgrade, configure and manage software packages on an operating system. The package manager can be a graphical application like a ...
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Apr 19, 2023 · 3 min read · File Permissions File permissions are core to the security model used by Linux systems. They determine who can access files and directories on a system and how. Every file and directory in your Linux system has the following 3 permissions defined for...
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Apr 18, 2023 · 3 min read · Linux Shell Scripting Tasks: Write a bash script createDirectories.sh that when the script is executed with three given arguments (one is directory name and second is start number of directories and third is the end number of directories ) it creates...
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Apr 17, 2023 · 3 min read · 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 system. What is Shell? A shell is special user program which provide an interface to user to use operatin...
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Apr 16, 2023 · 2 min read · To view what's written in a file. The cat command is used to view the contents of the file in Linux. To change the access permissions of files. To change the permission for the file in the directory use ls-la The letters rwx represent differen...
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