tasks

Author: wandexdev

0x05-processes_and_signals/2-show_your_bash_pid

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+#!/usr/bin/env bash
+# Displays a list of currently running processes containing the bash keyword.
+# shellcheck disable=SC2009
+
+ps -aux | grep bash

0x05-processes_and_signals/3-show_your_bash_pid_made_easy

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+#!/usr/bin/env bash
+# Displays the PID along with the process name, of 
+#+ processes whose name contains the word "bash".
+
+pgrep bash -l

0x05-processes_and_signals/4-to_infinity_and_beyond

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+#!/usr/bin/env bash
+# Displays "To infinity and beyond" indefinitely with
+#+ a sleep 2 in between each iteration.
+
+while true
+do
+  echo "To infinity and beyond"
+  sleep 2
+done

0x05-processes_and_signals/5-dont_stop_me_now

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+#!/usr/bin/env bash
+# Kills the 4-to_infinity_and_beyond process
+
+kill "$(pgrep -f 4-to_infinity_and_beyond)"

0x05-processes_and_signals/6-stop_me_if_you_can

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+#!/usr/bin/env bash
+# Kills the 4-to_infinity_and_beyond process.
+
+pkill -f 4-to_infinity_and_beyond 

0x05-processes_and_signals/67-stop_me_if_you_can

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+#!/usr/bin/env bash
+# Kills the 4-to_infinity_and_beyond process.
+
+pkill -f 7-highlander 

0x05-processes_and_signals/7-highlander

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+#!/usr/bin/env bash
+# Displays "To infinity and beyond" indefinitely with
+#+ a sleep 2 in between each iteration.
+#   Displays "I am invincible!!!" in between each iteration.
+
+while true
+do
+  echo "To infinity and beyond"
+  sleep 2
+  trap 'echo "I am invincible!!!"' SIGTERM 
+done

0x05-processes_and_signals/8-beheaded_process

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+#!/usr/bin/env bash
+# Kills the process 7-highlander.
+
+pkill -f -SIGKILL 7-highlander

0x05-processes_and_signals/manage_my_process

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+#!/usr/bin/env bash
+# Indefinitely writes "I am alive" to the file /tmp/my_process.
+#   Pauses two seconds in between each message.
+
+while true
+do
+  echo "I am alive!" >> /tmp/my_process
+  sleep 2
+done