CHAPTER 2 EXPLORING THE UNIX/LINUX FILE SYSTEMS AND FILE SECURITY Create a file called samp1e1. View the files present in the current directory in the long listing format. By default the permissions for a file will be rw-rw-r--, change the permissions of the sample1 file to rwxr--r-x, using the rwx notation. View the files present in the current directory in the long listing format. Create a second file called sample2. By default the permissions for a file will be rw-rw-r--, change the permissions of the sample2 file to rwxr-x--x, using 421 method. View the files present in the current directory in the long listing format. STEP BY STEP PLEASE!! ALSO SHOW SCREENSHOTS PLEASE!

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Linux

An operating system (OS) is the software which manages hardware and resources, like CPU, storage and memory. The OS bridges the applications and hardware and makes the connections between all of your software and the hardware resources.