A simple way to get into the Linux command line Why do you want to do this?

When you need to access the GRUB boot menu, you need to select the Linux distribution entry and press e to edit the boot parameters. How to enter the Linux command line, what is the reason for this? Sometimes you need or want to use the GUI (Graphical User Interface) when you start Linux, that is, without X, but choose the command line. For whatever reason, fortunately, it is very simple to start directly into the Linux command line. It requires a simple change to the boot parameters after other kernel options. This change directs the system to the specified run level.

Why do you want to do this?

If your system is unable to run Xorg due to invalid configuration or display manager corruption or any conditions that may cause the GUI to fail to start properly, then booting into the command line will allow you to log in to the terminal for troubleshooting (assuming you know what to do), And can do whatever you need to do. Booting into the command line is also a good way to get familiar with the terminal, otherwise you can do it for fun.

Access the GRUB menu

At startup, you need to access the GRUB boot menu. If the menu is not set to display each time you start your computer, you may need to hold down the SHIFT key before the system starts. In the menu, you need to select the Linux distribution entry. Highlight the entry and press e to edit the boot parameters.

A simple way to get into the Linux command line Why do you want to do this?

Zorin os grub menu

Older GRUB versions follow a similar mechanism. The boot manager should provide instructions on how to edit the boot parameters.

Specify run level

An editor will appear and you will see the options that GRUB will resolve to the kernel. Move to a line that starts with linux (the old GRUB version might be the kernel, select it and follow the instructions). This specifies the parameters to be resolved to the kernel. At the end of the line (which may span multiple lines depending on your terminal resolution), simply specify the run level to boot, ie 3 (multi-user mode, plain text).

A simple way to get into the Linux command line Why do you want to do this?

Customize grub menu

Press Ctrl-X or F10 to start the system with these parameters. Booting is the same as before. The only change is the run level of the launch.

This is the page after startup:

A simple way to get into the Linux command line Why do you want to do this?

Boot linux in command line

Run level

You can specify different run levels, and the default run level is 5 (multi-user graphical interface). 1 Boot into "single user" mode and it will boot into the root shell. 3 A multi-user command line system is provided.

Switch from the command line

At some point, you may want to run the display manager to use the GUI again. The quickest way is to run this:

$ sudo init 5

It's that simple. Personally, I found the command line to be more exciting and fun to use than using GUI tools. However, this is just my personal preference.

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