Unix Administrator Interview Questions and Answers

Experienced Unix Administrator managing multiple servers, proficient in AIX patching, WWN/WWPN identification, NIM server, LPAR creation, and OS installation.

• Managed multiple Unix/Linux servers in previous roles

• Proficient in AIX server OS patching process

• Troubleshoot issues if OS version does not update after patching

• Know how to find WWN/WWPN numbers

• Familiar with NIM server for AIX installations

• Experienced in LPAR creation and OS installation

An operating system boots by loading the kernel into memory and initializing system processes.

• The BIOS or UEFI firmware is first loaded from the motherboard's ROM.

• The bootloader is then loaded from the boot device (e.g. hard drive, USB drive).

• The bootloader loads the kernel into memory and initializes system processes.

• The init process is started, which then launches other system processes and services.

• Finally, the user is presented with a login prompt or graphical interface.