|Linux| Nouns of OS

This article will list nouns that it is important and I didn’t understand in the past.

  • softirq
    It would not interrupt CPU directly, but postpone tasks.
    Compared with hardirq, softirq triggered by current process and hardirq triggered by hardware.
  • warm boot v.s. cold boot
    Cold boot is to press the power button on the computer, it is triggered by hardware.
    Warm boot is press the Ctrl+Alt+Del keys simultaneously or by selecting a restart option, it is triggered by software. Warm boot is safer than cold boot if you reboot your system.