LFCS Boot Process and System Initialization Flashcards
6 cards from real LFCS Certification practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 LFCS Boot Process and System Initialization flashcards as text
What is the systemd target equivalent to traditional runlevel 3 (multi-user, no GUI)?
Answer: multi-user.target
multi-user.target is the systemd equivalent of runlevel 3: full network, multi-user, but no graphical environment.
Which command sets the default systemd target that the system boots into?
Answer: systemctl set-default
systemctl set-default creates a symlink from /etc/systemd/system/default.target to the specified target.
What command displays the current default systemd boot target?
Answer: systemctl get-default
systemctl get-default reads the symlink at /etc/systemd/system/default.target and prints its target name.
Which systemd target is equivalent to runlevel 5 and starts the graphical desktop?
Answer: graphical.target
graphical.target is the systemd equivalent of runlevel 5, pulling in a display manager and desktop environment.
How do you immediately switch to rescue.target on a running system without rebooting?
Answer: systemctl isolate rescue.target
systemctl isolate switches to the given target immediately, stopping all units not required by it.
In which file do you persistently add custom kernel parameters on systemd-based systems using GRUB 2?
Answer: /etc/default/grub
You add parameters to GRUB_CMDLINE_LINUX in /etc/default/grub, then run grub2-mkconfig to rebuild grub.cfg.
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