The tar command creates the tar file type is used to combine multiple files into a single archive. Tar actually means “tape archive,” because tar’s original purpose was to be used on tape backups – that should tell you how old this format is. Linux systems still use the tar format, and it continues to enjoy widespread use to this day.
The ssh command in Linux is used to manage remote systems. Ordinarily, this would be another Linux system, but it could also be a firewall, router, or even a different operating system entirely. Using the ssh command to remotely log into another system will give you a command line terminal that you can fully access as if you were physically in front of the machine.
The rm command is one of the most common and basic commands in Linux. Even if you have a limited amount of experience with Linux, you’ve most likely heard of it. The main purpose of this command is to remove files and directories. Using this command to remove files and directories cannot be undone.
The ls command in Linux is one of the most essential commands that every Linux user should know. If you’re a beginner to using the command line, ls is probably the first command you should try to learn. ls is short for list, and is used to list the files in your present working directory or some other directory if you specify one.
The uname command in Linux is one of the frequently used commands. On Linux systems, there are a multitude of commands that can be used to print system information. We cover many of these commands in our guide about getting to know the hardware of your Linux box. One such command would be uname, which is especially good for listing information about the operating system itself and the Linux kernel that is running.
The yes command in Linux will automatically output a “y” or any string you specify, repeatedly. It’s one of the simplest commands on Linux, and one that most users will find they never have much use for. But then when you do need it, you’ll be thankful that your Linux system already includes this Linux command by default.
The cat command in Linux is our primary tool for viewing the contents of text files on Linux systems. When using or administrating a Linux system, you are usually confronted with a command line. There are no graphical aids such as mouse or windows to help you navigate through directories or edit files.
The Linux operating system is absolutely brimming with different commands to use. Even with a fresh Linux installation, you can open a command line terminal and have instant access to hundreds of commands. This is why we have man command in Linux.
There’s only one problem, which is that you need a little background information about how to use each command.