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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

fdisk, lsblk, df, and du

Among the utilities used in Linux systems to manage filesystems, there’s fdisk, lsblk, df, and du. Each of these utilities performs a specific function in disk management, and their proper use is essential to ensure the efficient functioning of the system.

We introduced fdisk, a command-line utility that’s used to partition disks, previously. It allows us to create and modify partition tables, enabling administrators to organize storage space as required. Partitioning is essential for efficiently utilizing storage space, improving system performance, and simplifying the management of the filesystem. fdisk can create different types of partitions, including primary, logical, and extended partitions. Additionally, it can be used to change the partition size, delete partitions, and modify partition types. Without fdisk, managing and organizing the filesystem would be complex, cumbersome, and prone to errors. We can call this command by simply...

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