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Essential Linux Commands

You're reading from   Essential Linux Commands 100 Linux commands every system administrator should know

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Product type Paperback
Published in Nov 2023
Publisher Packt
ISBN-13 9781803239033
Length 250 pages
Edition 1st Edition
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Author (1):
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Paul Olushile Paul Olushile
Author Profile Icon Paul Olushile
Paul Olushile
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Table of Contents (20) Chapters Close

Preface 1. Part 1:Server Installations and Management Commands
2. Chapter 1: Getting a CentOS Server Up and Running FREE CHAPTER 3. Chapter 2: Linux User and Group Commands 4. Chapter 3: File Compression and Archival Commands 5. Part 2:Frequently Used Commands – Part 1
6. Chapter 4: Format and Disk Space Commands 7. Chapter 5: Linux Permissions Commands 8. Chapter 6: Filesystem Mount and Manipulation Commands 9. Part 3:Frequently Used Commands – Part 2
10. Chapter 7: File Content and Conversion Commands 11. Chapter 8: Linux SWAP Commands 12. Chapter 9: Linux Monitoring and Debugging Commands 13. Chapter 10: Linux IPTABLES and Network Commands 14. Chapter 11: File Transfer, Downloading, and Managing Log Files 15. Part 4:Linux Security and the Cloud
16. Chapter 12: Exploring Linux Security 17. Chapter 13: Linux in the Cloud 18. Index 19. Other Books You May Enjoy

The swapon command

The swapon command is a crucial utility in Linux that allows system administrators to activate and configure swap devices or files. Swap space serves as an extension to the physical memory (RAM) and provides additional virtual memory to the system. It is located on disk, typically in the form of a dedicated partition or a swap file. The operating system uses this disk space as an extension of the physical RAM, allowing it to move data between RAM and the swap space as needed to efficiently manage system memory. The swapon command plays a vital role in efficiently managing memory resources and optimizing system performance. One of the main reasons why the swapon command is of utmost importance is its ability to address situations where the system’s physical memory is insufficient to handle the workload. By activating swap devices or files using the swapon command, administrators can effectively increase available memory resources, allowing the system to handle...

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