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classroom linux course mohali

classroom linux course mohali

classroom linux course mohali
09 Feb 2026 10 Min

A classroom Linux course is an offline, instructor-led training where students learn how to use and manage the Linux operating system through practical, hands-on sessions. The course covers Linux basics, installation, terminal commands, file system, user and permission management, and software installation. Students also learn basic networking, process management, and simple shell scripting to automate tasks. Practical lab work helps build real-world skills and confidence. Some courses also prepare learners for certifications like RHCSA. This course is ideal for beginners and IT students who want careers in System Administration, DevOps, Cloud Computing, Networking, or Cybersecurity, where Linux skills are widely used and highly valued.

 
 

Linux Administration Tools, Linux Commands List & Shell Scripting Basics

Linux is one of the most powerful and widely used operating systems in the world. From web servers and cloud platforms to cybersecurity and DevOps environments, Linux plays a critical role in modern IT infrastructure. In this blog, we will explore three essential areas every beginner and aspiring system administrator must know: Linux Administration Tools, Important Linux Commands, and Shell Scripting Basics.

Linux Administration Tools

Linux administration tools help system administrators manage users, processes, services, packages, and system performance efficiently. These tools make it easier to monitor and control the Linux system.

1. Package Management Tools

Package managers are used to install, update, and remove software in Linux.

  • apt / apt-get – Used in Ubuntu/Debian systems

  • yum / dnf – Used in Red Hat/CentOS systems

Example:

 
sudo apt update sudo apt install nginx

2. System Monitoring Tools

These tools help monitor CPU, memory, and running processes.

  • top – Shows real-time system processes

  • htop – Advanced and user-friendly version of top

  • free – Displays memory usage

  • uptime – Shows system running time

3. User Management Tools

Used to create and manage system users.

  • useradd – Create new user

  • passwd – Change password

  • usermod – Modify user

  • userdel – Delete user

Example:

 
sudo useradd john sudo passwd john

4. Service Management Tools

Control system services like web servers or databases.

  • systemctl start service_name

  • systemctl stop service_name

  • systemctl status service_name

Example:

 
sudo systemctl start nginx sudo systemctl status nginx

5. Disk & File System Tools

Used for managing storage and file systems.

  • df -h – Check disk space

  • du -sh – Check folder size

  • mount / umount – Mount drives

Linux Commands List (Essential Commands)

Linux commands are the backbone of the operating system. Most tasks are performed through the terminal.

File & Directory Commands

Command Description
ls List files and folders
cd Change directory
pwd Show current location
mkdir Create folder
rmdir Remove empty folder
rm Delete file/folder
cp Copy file
mv Move/rename file

File Viewing Commands

Command Description
cat View file content
less View large files
head First 10 lines
tail Last 10 lines

Permission Commands

Command Description
chmod Change file permission
chown Change owner
chgrp Change group

Networking Commands

Command Description
ping Check connectivity
ifconfig / ip a Show IP address
ssh Remote login
netstat Network status

Process Commands

Command Description
ps Show running processes
top Real-time processes
kill Stop process
killall Stop all by name

Linux Shell Scripting Basics

Shell scripting is used to automate repetitive tasks in Linux. A shell script is a simple text file containing Linux commands.

What is Shell?

The shell is a command-line interpreter that executes user commands. Common shells include bash, sh, and zsh.

Creating Your First Script

Step 1: Create file

 
nano hello.sh

Step 2: Add script

 
#!/bin/bash echo "Hello, Welcome to Linux"

Step 3: Give permission

 
chmod +x hello.sh

Step 4: Run script

 
./hello.sh

Variables in Shell Script

 
#!/bin/bash name="Linux User" echo "Hello $name"

Taking User Input

 
#!/bin/bash echo "Enter your name:" read name echo "Welcome $name"

Simple If Condition

 
#!/bin/bash num=10 if [ $num -gt 5 ] then echo "Number is greater than 5" fi

Loop Example

 
#!/bin/bash for i in 1 2 3 4 5 do echo "Number $i" done

Why Learn Linux Administration & Shell Scripting?

  • Automate system tasks

  • Manage servers efficiently

  • Required for DevOps & Cloud jobs

  • Improve productivity

  • Essential for cybersecurity

Career Opportunities

Learning Linux administration and scripting can open doors to many IT careers:

  • Linux System Administrator

  • DevOps Engineer

  • Cloud Engineer

  • Network Administrator

  • Cybersecurity Analyst

Conclusion

Linux is a powerful and flexible operating system used worldwide in servers, cloud computing, and enterprise environments. By learning Linux administration tools, essential Linux commands, and shell scripting basics, you can build a strong technical foundation and prepare for high-demand IT careers. Start practicing commands daily, experiment with scripts, and gradually explore advanced Linux concepts to become a skilled Linux professional.

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