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Memory/Swap Usage Per Process Script

This script displays the memory/swap usage for each process in MB. Additionally, it informs the user about the total memory/swap usage and utilization percentage for the system.

Requirements

  • Linux OS
  • Bash shell
  • Commands: free, awk, getent

Usage

  1. Make the script file (saved as something like swap_usage.sh) executable:

    chmod +x memory_usage.sh
chmod +x swap_usage.sh

  2. Execute the script:

    ./memory_usage.sh
./swap_usage.sh

  3. The output will be displayed in the following format:

    User:     root - PID:   1234 - Swap Used:   2.20 MB - Command: /path/to/command arg1 arg2
User:    user1 - PID:   5678 - Swap Used:   1.10 MB - Command: /path/to/another-command arg1
...
Total Swap: 4096.00 MB
Used Swap: 100.00 MB
Swap Usage: 2.44%

Notes

  • It's recommended to run this script with root permissions to gather information from all processes.
  • The script is primarily designed for Linux environments.