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Lab Exercise: Basic Linux Commands

Instructions:

Part $1$: File System Navigation and Basic Commands

Open a terminal and log in to your Linux environment.

Use the following commands to navigate through the file system:

pwd: Print the current working directory.

ls: List files and directories.

cd: Change directory.

mkdir: Create a new directory.

rmdir: Remove an empty directory.

Create a directory structure as follows:

$/$home$/$yourusername$/$lab$\_$files

Navigate into dir$1$ and display the content.

Copy file$1.$txt from dir$1$ to dir$2.$

Rename file$2.$txt in dir$1$ to newfile.txt$.$

Remove file$3.$txt from dir$2.$

Display the updated directory structure.

Part $2$: Text Editing and File Manipulation

Use a text editor $($nano$,$ vi$,$ or any of your choice$)$ to create a new file named

notes.txt in the lab$\_$files directory.

Write a brief note in notes.txt about your experience with the commands used so

far.

Append another line to notes.txt with any additional comments.

Display the contents of notes.txt$.$

Use the cp command to create a backup copy of notes.txt named notes$\_$backup.txt$.$

Check the disk space usage of your home directory using the du command.

Use the touch command to create a new file

Use the alias command to create a short cut to display all the files in a directory in

alphabetical order.

Use the unalias command to remove an alias

Use the man command to get help on a specific command

Use top$/$htop to display running processes on the system

Use apt to update$/$upgrade your linux system

Use the echo command to print a system variable

Use the cat command to view a file

Use the ps command to display process in your current shell

Use the ps command to display all processes running on the system

Use the kill command to stop a process

Part $3$: Process Management and System Information

Open a new terminal window.

Use the ps command to display information about the processes running on your

system.

Identify the process ID $($PID$)$ of the terminal you opened.

Use the kill command to terminate the terminal process identified in the previous

step.

Check the status of the terminated process using the ps command again.

Display information about the memory usage of your system using the free

command.

Submission:

Organize all commands used in a text file named lab$\_$commands.txt$.$

Take screenshots or copy and paste terminal outputs demonstrating the results of

each command.