Original: http://www.cnblogs.com/peida/archive/2012/12/05/2803591.html
A. File Directory Operation command:
1. One Linux command per day (1): ls command
2. One Linux command per day (2): cd command
3. One Linux command per day (3): pwd command
4. One Linux command per day (4): mkdir command
5. One Linux command per day (5): RM command
6. One Linux command per day (6): rmdir command
7. One Linux command per day (7): MV command
8. One Linux command per day (8): CP command
9. One Linux command per day (9): Touch command
10. One Linux command per day: Cat command
11. One Linux command per day: NL command
12. One Linux command per day: more commands
13. One Linux command per day: less command
14. One Linux command per day: Head command
15. One Linux command per day: Tail command
Two. File Lookup command
16. One Linux command per day (+): which command
17. One Linux command per day: Whereis command
18. One Linux command per day: Locate command
19. One Linux command per day: Find command overview
20. One Linux command per day: exec of the Find command
21. One Linux command per day: Xargs of the Find command
22. One Linux command per day: An explanation of the parameters of the Find command
Three. File and Directory Properties
23. One Linux command per day: Linux directory structure
24. One Linux command per day: Linux file type and extension
25. One Linux command per day: A detailed description of Linux file attributes
Four. File package upload and download
26. One Linux command per day (26): Upload and download files with SECURECRT
28. One Linux command per day: Tar command
32. One Linux command per day: gzip command
Five. linux File Permissions settings
27. One Linux command per day: Linux chmod command
29. One Linux command per day: chgrp command
30. One Linux command per day: chown command
31. One Linux command per day:/etc/group file
Six. Disk storage related
33. One Linux command per day: DF command
34. One Linux command per day: du command
Seven. Performance monitoring and Optimization commands:
44. One Linux command per day: Top command
45. One Linux command per day: free command
46. One Linux command per day: Vmstat command
47. One Linux command per day: Iostat command
51. One Linux command per day: lsof command
Eight. Network command:
52. A Linux command (per day): Ifconfig command
53. One Linux command per day: Route command
54. One Linux command per day: ping command
55. One Linux command per day: traceroute command
56. One Linux command per day: netstat command
57. One Linux command per day ($): ss command
58. One Linux command per day: Telnet command
59. One Linux command per day: rcp command
60. One Linux command per day: SCP command
Other commands:
35. One Linux command per day: ln command
36. One Linux command per day: diff command
37. One Linux command per day (PNS): Date command
38. One Linux command per day: Cal command
39. One Linux command per day: grep command
40. One Linux command per day (+): WC command
41. One Linux command per day: PS command
48. One Linux command per day: Watch command
49. One Linux command per day: at command
50. One Linux command per day: crontab command
Series: Daily one Linux command (turn)