These commands cover a wide range of tasks and are essential for managing files, processes, users, networks, and system configurations in a Linux environment.

1. ls: List directory contents.
2. cd: Change the current directory.
3. pwd: Print the name of the current directory.
4. mkdir: Create a new directory.
5. rm: Remove files or directories.
6. cp: Copy files or directories.
7. mv: Move or rename files or directories.
8. cat: Concatenate and display file content.
9. less: Display file content one page at a time.
10. head: Display the beginning of a file.
11. tail: Display the end of a file.
12. grep: Search for patterns in files.
13. chmod: Change file permissions.
14. chown: Change file ownership.
15. sudo: Execute a command with superuser privileges.
16. su: Switch to another user account.
17. df: Display disk space usage.
18. du: Display disk usage for files and directories.
19. find: Search for files and directories.
20. locate: Find files by name.
21. tar: Archive files.
22. gzip: Compress or decompress files.
23. zip: Package and compress files.
24. unzip: Extract files from a ZIP archive.
25. ssh: Connect to a remote server securely.
26. scp: Securely copy files between hosts.
27. wget: Download files from the web.
28. curl: Transfer data from or to a server.
29. ps: Display information about running processes.
30. kill: Terminate processes.
31. top: Display real-time system information.
32. uptime: Display system uptime.
33. uname: Print system information.
34. ifconfig: Display network interface configuration.
35. ping: Test network connectivity.
36. traceroute: Trace the route to a remote host.
37. netstat: Display network connections, routing tables, and interface statistics.
38. iwconfig: Configure wireless network interfaces.
39. iptables: Configure firewall rules.
40. route: View and manipulate the IP routing table.
41. adduser: Create a new user account.
42. usermod: Modify user account properties.
43. passwd: Change user password.
44. groupadd: Create a new group.
45. groups: Display group membership for a user.
46. w: Display who is logged in and what they are doing.
47. last: Display a list of last logged-in users.
48. history: Display command history.
49. date: Display or set the system date and time.
50. cal: Display a calendar.

ls: List directory contents

cd: Change the current directory

pwd: Print the name of the current directory

mkdir: Create a new directory

rm: Remove files or directories

tail: Display the End of a File

man – Manual Pages

The man command is used to display the manual pages of other commands

locate: Find files by name

sudo: Execute a command with superuser privileges

netstat: Display network connections, routing tables, and interface statistics

mv: Move or rename files or directories

Before:

After:

pwd: Print the name of the current directory

route: View and manipulate the IP routing table

iptables: Configure firewall rules

touch: create a new empty file

history: Display command history

For more information:-

How to Change the Permissions of Files and Directories in Ubuntu?

What is chmod command in Linux ?

How to Check Project Size in Linux

Hopefully, This blog will help you …!!!