1. shutdown: Shut down the system. The parameter (-K does not actually shut down the system, but it is only a warning.-R closes the system and then restarts.-H closes the system and terminates the system.-F quickly restarts the system, -N does not directly close through init,-C cancels shutdown,-t time
2. Create a boot disk # redv zlmage
# Fdformat/dev/fd0h1440
# Dd If = zlmage of =/dev/fd0
3. badblocks
4. Dump backup file
5. dumpe2fs prints information about the file system.
6. Decompress tar xf name.tar
Tar zxf name.tar.gz
Tar zxf name.tar. Z
7. View processes in PS
8. view the file content in cat
9. ls file list
10. Enter the CD directory.
11. CP copy
12. RPM installation of the RPM package
13. Create a directory using mkdir
14. startx enters X-Windows
15. Mount the dam device to the file system mount/dev // fd1-T vfat/mnt/floppy
16. umount
17. Log On again with logout
18. vmstat view CPU usage vmstat interval [count]
19. renice changes the priority of running processes.
20. Su switching users
21. Who viewing users
22. passwd Change Password
23. pwd Current Directory
24. rmdir: Delete the directory. The directory is empty.
25. rm Delete directory
26. More Scrolling on the same cat Screen
27. WC View File Information
28. df disk space
29. free memory space
30. Man view the specific usage of the command
31. adduser
32. Add groupadd User Group
33. chmod File Permission command
34. & used Program Call the backend to run updatedb &
35. Pstree display process tree
36. ifconfig is used to display the set Network Interface
37. Netconfig provides network hyper-integration settings
38. Netstat checks the network connection status, route table, and other information.
39. Ping the same DoS Ping
40. Create a file system for mkfs, such as formatting a floppy disk to ext2 mkfs-T ext2/mnt/floppy
41. fsck check and repair the File System
42. PWD displays the current path
43. Tree display tree directory
44. Which displays the complete instruction path
45. Mv is used to move and rename files.
46. More for pagination
47. Find find files, powerful functions
48, du view disk usage
49. Env display all environment variables
50. Route is used to display, set, and delete routes on network interfaces.
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