Hi all - I am learning about Linux and want to see if my understanding is correct on this - the list of major parts of any distro:
- the Linux Kernel
- GRUB or another bootloader
- one or more file systems (gotta work with files somehow, right?)
- one or more Shells (the terminal - bash, zsh, etc…)
- a Desktop Environment (the GUI, if included, like KDE or Gnome - does this include X11 or Wayland or are those separate from the DE?)
- a bunch of Default applications and daemons (is this where systemd fits int? I know about the GNU tools, SAMBA, CUPS, etc…)
- a Package Manager (apt, pacman, etc…)
Am I forgetting anything at this 50,000 foot level? I know there are lots of other things we can add, but what are the most important things that ALL Linux distributions include?
Thanks!
I think you would also need an initial run process such as systemd or the sysV runlevels.
Fun fact, the init process can be anything, even /bin/bash or a shell script. But if it ends or dies so does the system, and of course you want extra features like multiuser capability, better interface etc. So it’s typically a more complex system like you said, that starts a bunch of other things. But you can still see the init process with PID 1 there in the process list. 😊
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