Could someone please explain the purpose of the pgrep utility when it seems like its functionality can be replaced with ps | grep? P.S. My teacher assigned me this question and asked me to explain why a new utility needed to be created if the same functionality exists in ps | grep. I suspect...
it says i only have a PTUUID when i do blkid. I dont see any UUID for my harddrive. ive attached screenshots of my terminal. Im currently on Ubuntu 20.04. any help would be appreciated. Im very new to linux so thanks