Shulou(Shulou.com)06/03 Report--

1 、 ls-list

Ls enumerates the contents of the current working directory (files or folders), just as you open a folder in GUI to see the contents

2 、 mkdir- MakeDirectory

Mkdir common a new directory, new directory

3. Pwd-Print Working Directory

Pwd displays the current working directory

4. Cd-Change Directory

For the meeting currently running on the terminal, cd sets the given folder (or directory) to the current working directory

5. .rmdir-RemoveDirectory

Rmdir deletes the given directory.

6. Rm-Remove

Rm deletes a given file or folder, which can be deleted recursively using rm-r

7. Cp-Copy

The cp command copies files or folders, and you can use the cp-r option to copy folders recursively.

8.mv-MoVe

The mv command moves the file or folder and renames the file or folder if it exists in the current working directory.

9. Cat-concatenate and print files

Cat is used to view the contents of a file on standard output (monitor or screen).

10.tail-print TAIL (from last) >

Tail displays the last 10 lines of a given file on standard output by default, and you can use tail-n N to specify that the last N lines of the file are displayed on standard output.

11. Lesson-print LESS

Less prints the contents of the file by page or by window. It is very useful and efficient when viewing large files that contain a lot of text data. You can use Ctrl+F to turn forward and Ctrl+B to turn backwards.

12.grep

Grep "" searches the given file for the specified string. Grep-I "" ignores the case of the string when searching, while grep-r "" recursively searches for the specified string in the files in the current working directory.

13.Find

This command searches for files that match the criteria at the given location. You can use the-name option of find-name for case-sensitive searches and find-iname for case-insensitive searches.

14.tar

The tar command creates, views, and extracts tar compressed files. Tar-cvf creates the corresponding compressed file, tar-tvf to view the corresponding compressed file, and tar-xvf to extract the corresponding compressed file.

15.gzip

The gzip command creates and extracts gzip compressed files, and you can also use gzip-d to extract compressed files.

16.unzip

Unzip decompresses the gzip document. Before decompressing, you can use the unzip-l command to view the contents of the file.

17.help

-- help lists all available commands on the terminal, and you can use the-h or-help options of any command to see the specific usage of the command.

18. Whatish-What is this command

Whatis uses a single line to describe a given command.

19. Man-Manual

Man displays a manual page for the given command.

20.exit

Exit is used to end the current terminal session.

21.ping

Ping sends packets to ping remote hosts (servers), commonly used to detect network connections and server status.

22.Whoa-Who Is logged in

Who can list the user name of the current login.

23.sue-Switch User

Su is used to switch between different users. Even if you don't use a password, the superuser can switch to another user.

24.uname

Uname displays important information about the system, such as kernel name, hostname, kernel version, processor type, and so on, all of which can be viewed using uname-a.

25. Free-Free memory

Free shows the system's free memory, occupied memory, available swap memory, and so on. Free-m converts the units in the result to KB, while free-g converts to GB.

26.df-Disk space Free

Df looks at the disk usage in the file system-the storage space used and available on the hard disk, as well as other storage devices. You can use df-h to display the results in a human-readable manner.

27.ps-ProcesseS

Ps shows the running process of the system.

28. Top-TOP processes

By default, the top command will show the processes that take up a large amount of CPU according to the usage of CPU. You can use top-u to check the ranking of a user's CPU usage.

29.shutdown

Shutdown is used to shut down the computer, while shutdown-r is used to restart the computer.

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