Man you shouldn't of quit, just been stricter on your time, stuff just wouldn't get done if I am over 80 hours and they bulljivin on the comp time. I been there when jobs do stuff like that I use to get real scarce during the 8 hours. I was leaving work to drive to my girls house to smash then come back and check email. Management wasn't trying to do anything about it? Meh it's done now.
Yeah them Amazon interviews are hard AS F***, I don't remember knowledge like that I can google.
grep is a command-line utility for searching plain-text data sets for lines that match a regular expression. Its name comes from the ed command g/re/p, which has the same effect. grep was originally developed for the Unix operating system, but later available for all Unix-like systems and some others such as OS-9
Check running process in Linux
The procedure to monitor the running process in Linux using the command line is as follows:
- Open the terminal window on Linux
- For remote Linux server use the ssh command for log in purpose
- Type the ps aux command to see all running process in Linux
- Alternatively, you can issue the top command or htop command to view running process in Linux
Regarding ports just remember the important ones, F**** TON of ports to try and remember them all.
en.wikipedia.org
You good man, good luck today.