Global Software Resources Senior Linux Administrator Interview Questions and Answers

The Linux booting process involves several stages, including BIOS, bootloader, kernel, initrd, and init system.

• BIOS performs hardware checks and loads bootloader from the boot device

• Bootloader loads kernel and initrd into memory

• Kernel initializes hardware and mounts the root filesystem

• Initrd loads necessary modules and drivers for the kernel

• Init system starts user space processes and services

Create a swap partition and make it usable after booting

• Create a partition using fdisk or parted command

• Format the partition using mkswap command

• Add the partition to /etc/fstab file

• Activate the swap partition using swapon command