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50 Linux commands for our day-to-day work: 1. ls - List directory contents. 2. pwd - Display current directory path. 3. cd - Change directory. 4. mkdir - Create a new directory. 5. mv - Move or rename files. 6. cp - Copy files. 7. rm - Delete files. 8. touch - Create an empty file. 9. rmdir - Remove directory. 10. cat - Display file content. 11. clear - Clear terminal screen. 12. echo - Output text or data to a file. 13. less - View text files page-by-page. 14. man - Display command manual. 15. sudo - Execute commands with root privileges. 16. top - Show system processes. 17. tar - Archive files into tarball. 18. grep - Search for text within files. 19. head - Display file's beginning lines. 20. tail - Show file's ending lines. 21. diff - Compare two files' content. 22. kill - Terminate processes. 23. jobs - List active jobs. 24. sort - Sort lines of a text file. 25. df - Display disk usage. 26. du - Show file or directory size. 27. zip - Compress files into zip format. 28. unzip - Extract zip archives. 29. ssh - Secure connection between hosts. 30. cal - Display calendar. 31. apt - Manage packages. 32. alias - Create command shortcuts. 33. w - Show current user details. 34. whereis - Locate binaries, sources, and manuals. 35. whatis - Provide command description. 36. useradd - Add a new user. 37. passwd - Change user password. 38. whoami - Display current user name. 39. uptime - Show system runtime. 40. free - Display memory status. 41. history - List command history. 42. uname - Provide system details. 43. ping - Check network connectivity. 44. chmod - Modify file/directory permissions. 45. chown - Change file/directory owner. 46. find - Search for files/directories. 47. locate - Find files quickly. 48. ifconfig - Display network interfaces. 49. ip a - List network interfaces succinctly. 50. finger - Retrieve user information.

Java Roadmap https://ares.decipherzone.com/blog-manager/uploads/ckeditor_Java%20Developer%20RoadMap%202022.png

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