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Function: See who landed on the system. Common parameter hints who example

Features: View the end of the file. Tip: Tail FileName Example

Function: Observe hard disk entity usage situation and split hard disk. Common parameter hints: Fdisk device into the hard disk partition mode. Example hard disk partitions with Fdisk/dev 1. Enter m to display all command columns. 2. The input P shows the hard disk partition situation. 3. Enter a to set the hard drive boot area. 4. Enter N to set a new hard disk partition. 4.1. Enter e hard disk as [extended] partition area (extend). 4.2. Input p hard disk to [main] partition area (primary) ...

Function: where it is. Common parameter hint: Whereis Command example

Features: View the beginning of a file common parameter hints: Head filename Example

Features: Find file commands. Common parameters:-http://www.aliyun.com/zixun/aggregation/11696.html ">name–group–prem–user-type there are many parameters. Hint: Find path parameter filename example please excuse me for an example.

Function: what it is. Common parameter hint: Whatis command example

Function: Same as more but can look back. Common parameter hint: pager filename Example

Function: Cancel Mount command. Common parameter hints: Umount Device Path Example

Features: Mainly archiving and reconciliation functions. Common parameters:-c-v-f-z-x tip: tar [Main and auxiliary options] file or directory. Examples of the Gege Hao Ren these several files are archived in 1.tar 1.tar this file solution.

Function: Displays a file on the screen, connecting two or more files. Common parameter hints: Cat file name example cat connection two or more files

Features: Same as cat commands. The difference is that a number of rows are displayed and then paused. Common parameter hints more filename example

The use of the file command is simple. Format: File < path > < filename >. Now the terminal returns the message that this is a text file. However, this command supports a variety of files, and now look at what information the executable returns. Wow！ This time the information is very detailed AH. Said to be a 32-bit executable file. Support for processor Intel 80386. Linux kernel version 2.2.5 required. is a program with a graphical interface Oh! Now let's see what information the picture file returns ...

Function: collectively renamed. Commonly used parameter hint rehttp://www.aliyun.com/zixun/aggregation/11696.html ">name to change those letters to those letters to change the file example example

The KILL command is simple to use. The format is: Kill < process PID number, let's try it. First, use the top command to see what programs are running now. To learn more about the top command, search for: Display the system process with the top command. The PID number of the "top" command that was currently running is 3876. Let's just kill 3876. We click on the end window to position the red line. Creates a new session. In a new session, enter: Kill 3876. ...

Function: Deletes a directory. Common Parameters-P hint: rmdir [parameters] Deleted directory Example-p deletes all directories on the specified directory.

The Groupadd command is used to create user groups on a Linux system. This allows users to get the permissions they have in their group by assigning different permissions to different groups of users and then adding different users to different groups as needed. This approach is handy when there are many users in Linux. The Groupadd command is simple to use, simply enter the user group name after the command. Please try typing in the terminal: Groupadd hello. At this point, we have created a user group called "Hello". For the ...

Features: Create a directory of commonly used parameters:-P-M hint: mkdir [parameters] created directory example-p when creating a new directory, when its parent directory does not exist, first create the parent directory-M to create a new directory while specifying its permissions

Maybe my friends remember that in the Dos era we used a lot of commands to get the job done. After entering the Windows age, because of the computer's ease of use greatly enhanced, users have gradually forgotten the command. Nevertheless, "command" still has an important place in the computer field. Friends may ask: "Computers have been using a graphical interface for so many years, what is the order today?" "Yes, the average user is getting away from the order." This is the original intention of inventing the graphical interface: simplifying the operation. But computer hardware and software, like any other product, will fail. Then after the failure ...

Function: Delete command. Commonly used parameters-i-f-r hint: RM [parameters] to http://www.aliyun.com/zixun/aggregation/18137.html "> Delete files or directory example-i delete files need to confirm-F Delete files do not need to confirm- R deletes the specified directory and its subdirectories, and all files included