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URL: [Linux Operating System Notes for Beginners](#)
Related Course: [Linux for Beginners: Learn Linux Basics](#)
Practice Verified Codes and Commands:
1. Check Linux Version:
cat /etc/os-release
2. List Files in a Directory:
ls -l
3. Create a Directory:
mkdir new_directory
4. Remove a File:
rm filename
5. Copy a File:
cp source_file destination_file
6. Move a File:
mv source_file destination_directory
7. View Running Processes:
top
8. Search for a File:
find / -name "filename"
9. Check Disk Usage:
df -h
10. Compress a File:
tar -czvf archive.tar.gz /path/to/directory
11. Extract a Tar File:
tar -xzvf archive.tar.gz
12. Change File Permissions:
chmod 755 filename
13. Change File Ownership:
chown user:group filename
14. Network Configuration:
ifconfig
15. Ping a Server:
ping google.com
16. SSH into a Remote Server:
ssh user@remote_host
17. Check Open Ports:
netstat -tuln
18. Install a Package:
sudo apt-get install package_name
19. Update System Packages:
sudo apt-get update && sudo apt-get upgrade
20. Reboot the System:
sudo reboot
What Undercode Say:
Linux is a powerful and versatile operating system that forms the backbone of many IT infrastructures. For beginners, understanding the basics of Linux is crucial. Commands like ls, mkdir, rm, and `cp` are fundamental for file management. System monitoring commands such as `top` and `df -h` help in keeping track of system performance and disk usage. Network commands like `ifconfig` and `ping` are essential for troubleshooting network issues.
For advanced users, mastering commands like tar, chmod, and `chown` can significantly enhance system administration tasks. The `ssh` command is indispensable for remote server management, while `netstat` helps in monitoring network connections. Package management commands like `apt-get` are vital for software installation and system updates.
Linux also supports scripting, which can automate repetitive tasks. For example, a simple bash script to backup files:
#!/bin/bash tar -czvf backup_$(date +%F).tar.gz /path/to/backup
For those looking to dive deeper, exploring Linux distributions like Ubuntu, CentOS, and Fedora can provide a broader understanding of the ecosystem. Additionally, learning about shell scripting, cron jobs, and systemd services can further enhance your Linux skills.
**Further Reading:**
By mastering these commands and concepts, you can efficiently manage and troubleshoot Linux systems, making you a valuable asset in the IT and DevOps fields.
References:
initially reported by: https://www.linkedin.com/posts/kinge-hans-6a1839253_linux-handout-activity-7302038471613853696-XtB2 – Hackers Feeds
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