Here are multiple ways you can get CPU information in Linux command line. You can get processor information like the number of real cores, logical cores, hyperthreading, CPU frequency etc.| Linux Handbook
Here are five commands that let you view the content of a file in Linux terminal.| Linux Handbook
cat is one of the most used commands in Linux but do you really know the cat command? Learn the basics as well as advanced examples of cat command in Linux.| Linux Handbook