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Novice Linux / Unix System Administrator Tutorials

These tutorials assumes that you have basic understanding of Unix like operating systems and you are familiar with – Unix/Linux and its commands at the user level, know how to edit files, familiar with the Bourne shell/Bash/Ksh shell, know how to perform standard file processing tasks (such as find/move/copy/delete/) and so on. ( rss feed )

How to summarize detailed system resource usage for given command on a Linux or Unix

How do I determine the system resource usage during of execution of a particular command on a Linux, OS X Unix, BSD and Unix-like operating system?
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Debian / Ubuntu Linux Delete Old Kernel Images Command

I'm a new Ubuntu Linux user and noticed that old kernel still exists in my system. Why doesn't Ubuntu remove old kernels automatically? How do I delete old unused kernel images to free disk space. How to remove unused old kernel images on Ubuntu Linux safely?
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How To Install Microsoft Visual Studio Code on Linux

Visual Studio code (VScode) is the cross-platform Chromium-based code editor is being open sourced today by Microsoft. How do I install Microsoft Visual Studio Code on a Debian or Ubuntu or Fedora Linux desktop?
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How To See Characteristics of File Systems on Linux or Unix

How do I display the characteristics of file systems such as inodes, blocks, block size, file system name, state, lifetime writes, fsck status and more on Linux or Unix-like operating system?
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How To Update Apple OS X Using Command Line Software Update Tool

How do I install software updates from the command line tool on my Apple Mac OS X computer? How can I remotely update my Apple computer by just sshing into a system? Is there is something like apt-get command or yum command for Apple OS X?
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How To Find Out If 32 or 64 bit Unix OS Installed On Server

I'm a new Unix system user. How can I determine if 32 or 64 bit OS is installed on my Unix server?
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How To Create Disk Image on Mac OS X With dd Command

How do I create or write to images to disk on Apple Mac OS X Unix operating system with dd command?
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