The 100 Linux commands for powerful Linux users to regularly use. (with explanation)

1. ip - used to show or manipulate routing, devices, and tunnels.
2. ls - list the contents of a directory.
3. df - Displays the amount of disk space used.
4. du - display a list of all the files along with their respective sizes.
5. free - use to get a detailed report on the system's memory usage.
6. scp - securely copy files or directories over ssh.
7. find - locates files using user-defined criteria.
8. ncdu - provides a useful and convenient way to view disk usage.
9. pstree - used to show running processes in a tree (data structure).
10. latest - displays a list of the most recently logged-in people.
11. w – display a list of the currently logged-in user sessions.
12. grep - searches a file for a pattern of characters and displays all lines that match.
13. awk - a scripting language used for text processing.
14. sed - stream editor used to perform lots of functions on files, like searching, find and replace, insertion, or deletion.
15. cut - allows you to cut out sections of a specified file or piped data and print the result to standard output.
16. sort - used to sort files
17. uniq - used to extract uniq occurences
18. tr - utility for translating or deleting characters.
19. diff - used to display differences in files by comparing line by line.
20. uptime – displays the system uptime as well as the load average.
21. top – shows a real-time view of running processes in Linux.
22. vmstat - used to obtain information about memory, system processes, paging, interrupts, block I/O, disk, and CPU scheduling.
23. htop - a process viewer and manager that is interactive.
24. dstat - allows you to view all of your system resources instantly. All-in-one vmstat, iostat, netstat, and ifstat utility. 25.. Iftop is a network traffic viewer.
25. nethogs - is a network traffic analyzer.
26. iotop - is an interactive I/O viewer. Get a snapshot of storage r/w activity.
27. iostat - provides statistics on storage I/O.
28. netstat -used to show network statistics.
29. ss - ss command is a simpler and faster version of the now obsolete netstat command.
30. atop – a tool for monitoring system resources in Linux.
31. ssh – secure protocol used as the primary means of connecting to Linux servers remotely.
32. sudo - run commands with administrative privileges.
33. cd – navigate between directories.
34. pwd – displays the current directory path.
35. cp - copy files and directories.
36. mv – move file or directories.
37. rm – deletes files and directories.
38. mkdir - create new directories.
39. touch – used to create, update a computer file or directory's access and modification dates.
40. man – used to read system reference manuals.
41. apropos – searches manual page names and descriptions for a user-supplied keyword.
42. rsync - remote file transfer and synchronization.
43. tar - is an archive utility.
44. gzip - use for compression and decompression of files.
45. b2zip - a compression utility comparable to gzip. It employs a distinct compression algorithm.
46. rsync - remote file transfer and synchronization.
47. tar - is an archive utility.
48. gzip - use for compression and decompression of files.
49. b2zip - a compression utility comparable to gzip. It employs a distinct compression algorithm.
50. zip – used for file packaging and compression (archiving).
51. locate – in Linux, search for files.
52. ps – allows you to list the status of processes running on your system easily.
53. cron - execute scheduled tasks.
54. nmcli - sused to display network device status, create, edit, activate/deactivate, and delete network connections.
55. ping - sends an ICMP ECHO REQUEST to network hosts.
56. traceroute - examine the path packets follow to reach a specific host.
57. mtr - is a network diagnostic tool, a combination of ping and traceroute commands.
58. nslookup - interactively query Internet name servers (NS).
59. host –used for DNS (Domain Name System) lookup operations.
60. dig – DNS lookup tool.
61. wget - download files through HTTP, HTTPS, FTP, and FTPS.
62. curl – data transport via several network protocols. (Can handle more protocols than wget)
63. dd - used to convert and copy files.
64. fdisk - Modify the disk partition table.
65. parted – used to create and manipulate partition tables.
66. blkid - a command-line utility for finding and printing block device attributes.
67. mkfs - create a Linux file system.
68. fsck - an utility for determining the consistency of a file system.
69. nc - used for just about anything under the sun involving TCP or UDP.
70. umask - returns, or sets, the value of the system's file mode creation mask.
71. chmod – alters the access rights of file system objects.
72. chown – alter the owner and group of a file.
73. chroot - used to change the root directory.
74. useradd - create a new user or alter the default information for a new user.
75. userdel - used to delete a user account and all associated files.
76. usermod – used to edit or change any existing user account's properties.
77. vi is a text editor.
78. cat – displays the contents of a file.
79. tac – reverse output file contents.
80. more - show file contents one screen/page at a time.
81. less – identical to more, but with more features
82. tail – used to show the last few lines of a text file or piped data.
83. head - used to show the first few lines of a text file or piped data.
84. dmesg – displays the kernel ring's message buffer.
85. journalctl - Tused to view systemd, kernel and journal logs.
86. kill - terminates a process.
87. killall - sends a kill signal to all instances of a specific process.
88. sleep – pauses program execution for a given amount of time.
89. wait – suspend script execution until all background jobs have been completed.
90. nohup - short for no hang up is a command in Linux systems that keep processes running even after exiting the shell or terminal.
91. screen – keep a remote server session open. (It also functions as a full-screen window manager.)
92. tmux is a terminal multiplexer.
93. passwd — Change the password of a user.
94. clear – clears the terminal's screen.
95. env - run a command in an altered environment.
96. systemctl - used to control and manage systemd and services.

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If you find another 4 remaining commands, help me to share 🙂