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process_monitor.sh

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+#!/bin/bash
+# process_monitor.sh - Show top processes and allow killing by name or PID
+# 
+# Copyright (C) 2025 LINUXexpert.org
+# 
+# This program is free software: you can redistribute it and/or modify it 
+# under the terms of the GNU General Public License as published by the 
+# Free Software Foundation, version 3 of the License.
+# 
+# This program is distributed in the hope that it will be useful, but 
+# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
+# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
+# for more details.
+# 
+# You should have received a copy of the GNU General Public License along 
+# with this program. If not, see <https://www.gnu.org/licenses/>.
+# 
+# Usage: process_monitor.sh [kill <process_name|PID>]
+# Description: Without args, shows top CPU & memory processes. With "kill", terminates process by name or PID.
+ 
+if [ "$1" = "kill" ]; then
+  target="$2"
+  if [ -z "$target" ]; then
+    echo "Usage: $0 kill <process_name|PID>"; exit 1
+  fi
+  # If target is numeric (PID), kill that PID, else kill by name
+  if [[ "$target" =~ ^[0-9]+$ ]]; then
+    kill "$target" && echo "Process $target killed." || echo "Failed to kill process $target."
+  else
+    # Use pkill to kill by name (match full process name)
+    pkill -x "$target" && echo "Processes named '$target' killed." || echo "No process '$target' found or kill failed."
+  fi
+  exit 0
+fi
+
+echo "==== Top 5 CPU-consuming processes ===="
+ps -eo pid,user,comm,%cpu --sort=-%cpu | head -n 6
+
+echo -e "\n==== Top 5 Memory-consuming processes ===="
+ps -eo pid,user,comm,%mem --sort=-%mem | head -n 6