Linux Foundation Certified System Administrator (LFCS) — Question 27

What is the first program that is usually started, at boot time, by the Linux kernel when using SysV init?

Answer options

• A. /lib/init.so
• B. /sbin/init
• C. /etc/rc.d/rcinit
• D. /proc/sys/kernel/init
• E. /boot/init

Correct answer: B

Explanation

/sbin/init is the correct answer because it is the first program executed by the Linux kernel to initialize the system when using SysV init. The other options either do not exist as the primary init program or serve different purposes in the system's boot process.