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0x05. Processes and signals

Resources:books:

Read or watch:

Learning Objectives:bulb:

What you should learn from this project:

  • What is a PID
  • What is a process
  • How to find a process’ PID
  • How to kill a process
  • What is a signal
  • What are the 2 signals that cannot be ignored

0. What is my PID

  • Write a Bash script that displays its own PID.

1. List your processes

  • Write a Bash script that displays a list of currently running processes.

2. Show your Bash PID

  • Using your previous exercise command, write a Bash script that displays lines containing the bash word, thus allowing you to easily get the PID of your Bash process.

3. Show your Bash PID made easy

  • Write a Bash script that displays the PID, along with the process name, of processes whose name contain the word bash.

4. To infinity and beyond

  • Write a Bash script that displays To infinity and beyond indefinitely.

5. Don't stop my now!

  • We stopped our 4-to_infinity_and_beyond process using ctrl+c in the previous task, there is actually another way to do this.

6. Stop me if you can

  • Write a Bash script that stops 4-to_infinity_and_beyond process.

7. Highlander

  • Write a Bash script that displays:

8. Beheaded process

  • Write a Bash script that kills the process 7-highlander.

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