uname command in Linux is used to find the System information, detail about the Kernel, learn the cheat sheet and play some Quiz to check your grip.
The dmidecode in Linux finds the System information which you have in your System, there is Question Answer Section as well as cheat seat and Quiz.
lshw command in Linux is used to check the hardware we have in our running System. Learn options and example, play some quiz, and find the cheat sheets.
This post contains the detail information about the df command in Linux option and examples, you will find cheat sheet and quiz
This Post contains the detail of free command in Linux with examples. There are cheat sheet at the end of the POST and play some Quiz.