Linux Commands Cheat Sheet

1. cd — Change directory

1. ls — List directory contents
2. pwd — Print working directory
3. cat — Concatenate and display files
4. touch — Create an empty file
5. cp — Copy files and directories
6. mv — Move or rename files and directories
7. rm — Remove files and directories
8. mkdir — Create a new directory
9. rmdir — Remove an empty directory
10. cut — Cut out sections of a file
11. gzip — Compress or decompress files using gzip
12. gunzip — Decompress files compressed with gzip
13. find — Find files and directories matching a pattern
14. grep — Search for a pattern in a file
15. awk — Pattern scanning and processing language
16. sed — Stream editor for filtering and transforming text
17. head — Display the first few lines of a file
18. tail — Display the last few lines of a file
19. sort — Sort lines of a file
20. uniq — Remove duplicate lines from a file
21. wc — Count lines, words, and characters in a file
22. diff — Compare two files line by line
23. patch — Apply a patch to a file
24. chmod — Change permissions of files and directories
25. chown — Change the owner of a file or directory
26. chgrp — Change the group ownership of a file or directory
27. ps — List running processes
28. top — Display system resource usage and process information
29. kill — Send a signal to a process to terminate it
30. du — Display disk usage of files and directories
31. df — Display free disk space on the file system
32. mount — Mount a file system
33. umount — Unmount a file system
34. ping — Test connectivity to a network host
35. ssh — Secure shell remote login and command execution
36. scp — Secure copy files between hosts
37. rsync — Remote file and directory synchronization
38. curl — Transfer data from or to a server using various protocols
39. wget — Retrieve files from the web using various protocols
40. ftp — File Transfer Protocol client
41. sftp — Secure File Transfer Protocol client
42. telnet — Telnet client
43. nslookup — DNS lookup utility
44. dig — DNS lookup utility
45. netstat — Display network connections and statistics
46. ifconfig — Configure network interfaces
47. route — Display or modify the routing table
48. iptables — Firewall and packet filtering utility
49. hostname — Display or set the hostname of the system
50. date — Display or set the system date and time
51. timedatectl — Control the system date and time
52. uname — Display system information
53. whoami — Display the current user ID
54. id — Display user and group information
55. su — Switch user to become another user
56. sudo — Execute a command with superuser privileges
57. passwd — Change the password of a user account
58. useradd — Create a new user account
59. userdel — Delete a user account
60. usermod — Modify a user account
61. groupadd — Create a new group
62. groupdel — Delete a group
63. groupmod — Modify a group
64. finger — Display information about users on the system
65. last — Display information about recent logins
66. history — Display command history
67. echo — Print a message to the terminal
68. printf — Format and print data
69. lshw — Displays hardware information
70. lspci — Displays information about PCI buses and devices.
71. lsusb — Displays information about USB buses and devices.
72. hwinfo — Displays detailed hardware information.
73. free — Displays memory usage.
74. vmstat — Displays system memory, processor, and I/O statistics.
75. iostat — Displays CPU and disk I/O statistics.
76. uptime — Displays system uptime and load averages.
77. journalctl — Displays the system journal.
78. dmesg — Displays the kernel ring buffer.
79. crontab — Schedules recurring tasks.
80. at — Schedules a one-time task.
81. service — Manages system services.
82. systemctl — Controls system services in systemd-based distributions.
83. traceroute — Traces the network path to a remote host.
84. bzip2 — Compresses files using the bzip2 algorithm.
85. unzip — Extracts files from a ZIP archive.
86. tee — Redirect output to multiple files
87. chroot — Change the root directory for a process
88. ps aux — Display information about all running processes
89. less — Display file contents in a paginated format
90. more — Display file contents one page at a time
91. ln — Create links between files
92. realpath — Print the resolved absolute path of a file
93. watch — Execute a command periodically and display the output
94. cal — Display a calendar
95. tar -xzvf — Extract files from a compressed archive
96. tar -czvf — Create a compressed archive
97. whereis — Locate the binary, source, and manual page files for a command
98. locate — Find files by name
99. which — Display the full path to an executable
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