Top 100 Linux Commands you Must know in 2024 | Akash

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Summary

Hi Everyone, My name is Akash in this article I you will learn top 100 linux commands. By mastering these essential Linux commands, you&#039;ll become more efficient and confident in your ability to work with Linux systems. Happy learning!

Linux is a powerful and versatile operating system that has become a staple in the world of computing. Whether you're a seasoned system administrator or a beginner, mastering Linux commands is essential to unlocking its full potential. In this article, we'll cover the top 100 Linux commands that you must know in 2024.

Navigation and File Management

cd - Change directory

pwd - Print working directory

ls - List files and directories

mkdir - Make a directory

rm - Remove a file or directory

cp - Copy a file

mv - Move or rename a file

touch - Create a new empty file

find - Search for files

locate - Find files by name

File Permissions and Ownership

chmod - Change file permissions

chown - Change file ownership

chgrp - Change file group

ls -l - List file permissions

Text Editing and Viewing

nano - Simple text editor

vim - Advanced text editor

cat - View file contents

less - View file contents with pagination

head - View first few lines of a file

tail - View last few lines of a file

System Information and Monitoring

uname -a - View system information

hostname - View system hostname

uptime - View system uptime

top - View system processes

htop - Interactive process viewer

df - View disk usage

du - Estimate disk usage

free - View memory usage

ps - View process information

kill - Kill a process

Network and Connectivity

ping - Test network connectivity

ssh - Secure shell remote login

scp - Secure copy files over network

wget - Download files from the internet

curl - Transfer data to/from a web server

nslookup - Perform DNS lookups

dig - Perform DNS lookups

netstat - View network connections

Security and Access Control

sudo - Run commands with superuser privileges

su - Switch user

passwd - Change password

groupadd - Add a new group

useradd - Add a new user

userdel - Delete a user

groupdel - Delete a group

Package Management

apt-get - Manage packages (Debian-based)

yum - Manage packages (RPM-based)

pip - Manage Python packages

rpm - Manage RPM packages

dpkg - Manage Debian packages

Process Management

bg - Run a process in the background

fg - Bring a process to the foreground

jobs - View running jobs

killall - Kill processes by name

pkill - Kill processes by name or pattern

Disk and Filesystem Management

fdisk - Manage disk partitions

mkfs - Create a filesystem

mount - Mount a filesystem

umount - Unmount a filesystem

fsck - Check and repair filesystems

User and Group Management

id - View user information

groups - View group information

whoami - View current username

users - View logged-in users

last - View login history

System Configuration

sysctl - Configure system kernel parameters

modprobe - Manage kernel modules

lsmod - List loaded kernel modules

depmod - Manage kernel module dependencies

update-rc.d - Manage system startup scripts

Troubleshooting

dmesg - View system logs

syslog-ng - Configure system logging

logrotate - Rotate system logs

strace - Debug system calls

lsof - List open files

Miscellaneous

man - View manual pages for commands

info - View detailed information about commands

whatis - Briefly describe a command

whereis - Locate binary, source, and manual pages

which - Locate executable files

Regular Expressions and Text Processing

grep - Search for patterns in files

egrep - Search for extended patterns in files

fgrep - Search for fixed strings in files

sed - Stream editor for filtering and transforming text

awk - Pattern scanning and processing language

Compression and Archiving

tar - Create and extract archives

gzip - Compress files

gunzip - Uncompress files

zip - Create and extract zip archives

unzip - Extract zip archives

System Boot and Shutdown

reboot - Reboot the system

shutdown - Shut down the system

init - Change system runlevel

telinit - Change system runlevel

halt - Shut down the system

Networking Tools

ssh-keygen - Generate SSH keys

ssh-agent - Manage SSH keys

nc - Network utility for debugging and testing

nmap - Network scanning and exploration tool

tcpdump - Network traffic capture and analysis tool

Conclusion

Mastering these 100 Linux commands will help you navigate, manage, and troubleshoot Linux systems efficiently. Whether you're a beginner or an experienced user, this list will serve as a valuable reference guide. Practice these commands to become proficient in Linux and unlock its full potential.

Additional Tips

Use man and info to learn more about each command.

Practice commands in a virtual machine or sandbox environment.

Use online resources, such as Linux documentation and forums, for further learning.

Create a cheat sheet or notes to help you remember commands.

Recommended Resources

Linux Documentation Project (LDP)

Linux Command Line Interface (CLI) Guide

Unix/Linux Command Reference

Linux Tutorial by FreeCodeCamp

By mastering these essential Linux commands, you'll become more efficient and confident in your ability to work with Linux systems. Happy learning!