practical guide to linux commands

processes, you can use commands such as PS--heip to view system help. However, the drawback is that the system online Help is English, the system administrator's English level is a very small test. However, if you want to be a Linux system administrator, this English language is still needed. Because the newest Linux technology basically comes out in English doc

The usage of SCP command in Inux system Note: If-bash:scp:command not found appears during use, perform yum install openssh-clients The SCP is a secure copy abbreviation, and the SCP is a secure remote file Copy command under the Linux system based on SSH login. (Note: In the computer room maintenance, direct connection to the server to execute this command is invalid ... The SCP commands for

I've been using Linux for 10 years, and through this article I'm going to show you a series of commands, tools, and tricks, and I want someone to tell me that from the beginning, not to stumble on me on my way to growth.1. Command line daily shortcut keysThe following shortcuts are very useful and can greatly improve your productivity:CTRL + U-cut the content before the cursorCTRL + K-cut the cursor to the

I've been using Linux for 10 years, and through this article I'm going to show you a series of commands, tools, and tricks, and I want someone to tell me that from the beginning, not to stumble on me on my way to growth.1. Command line daily shortcut keysThe following shortcuts are very useful and can greatly improve your productivity:CTRL + U-cut the content before the cursorCTRL + K-cut the cursor to the

User02System returns:PasswordAt this point, enter the USER02 instruction and it will become user02.5.3 Useradd CommandThe Useradd command is used to increase the user, only the root user can increase the user. If you are not logged in as the root user, enter Su, and then enter the root password.To add a user, enter a command:Useradd User NameThen, follow the prompts to enter a password for the new user.Six Commands for online queries6.1 Man CommandTh

I've been using Linux for 10 years, and I'm going to show you a series of commands, tools, and techniques from the beginning, and I hope someone tells me that from the start, not the way I've been growing. 1. command line daily system shortcuts The shortcuts below are very useful and can greatly improve your productivity: CTRL + U-cut content before the cursor CTRL + K-cut the cursor to the

shortcut under Windows.Can delete the original file and save the connection file, there is no prevention of accidental deletion function.This paragraph of the content is too abstract, but also the node is an array, I have tried to popular again, and not good examples for demonstration. If you are still foggy, I have no way, only first remember, in the future in the practical application of slowly experience, understanding. This is also my study of a

Commands used to create a chat server and remove redundant software packages in Linux Here, let's look at the next part of the Linux Command Line practical skills. If you miss the article before Linux Tracks, you can find it here. Five interesting

/locale.gen # # # Output Locale.gen content$ cat-n/etc/locale.gen # # # Output Locale.gen content and display line numbersMoreMuch like cat, you can view the contents of a file, except that when a document is too long, cat can only show the last content that is covered by the screen, and the front content is not visible. This is where you can display content more than once.$ more/etc/locale.gen$ More +100/etc/locale.gen # # # Starting from 100 lines displayLessLess is similar to more, but less s

"mv cats dogs" to rename the file "cats" to "dogs", and enter "mv cats ~ /Desktop will move the file "cats" to the desktop directory without renaming. 9. more The "more" command allows you to view more content at the same time on a screen. 10. kill You need to close a program. This is probably the most efficient method. Run the "ps" command to find the process ID you want to close and enter "kill" to close the process. 11. sudo Linux is so secure tha

the beginning of the first line of the file to the end of the last line.----:%s/$/some string/g Add "some string" at the end of each line of the file.----:%s/string1/string2/g Replace "string1" into "string2" throughout the file.----: 3,7s/string1/string2/replaces only "string1" in the 3rd line of the file to the 7th line as "string2".----Note: where S is substitute,% for all rows, G represents global.----5. Edit 2 files Simultaneously, copy the text from one file and paste it into another file

In addition to basic operations like searching for files in a directory structure, you can also use the find command to perform some practical operations to make your command line easier. This article will introduce 15 Linux find commands that are useful for beginners and laruence. First, create the following empty file under your home directory to test the follo

character and deletes the entire line.Ctrl+h: Deletes a character to the beginning of a line and deletes one character forward, equivalent to backspace.Ctrl+d: Deletes one character to the end of a line and deletes one character backwards, equivalent to delete.Ctrl+y:: Paste ctrl+u,ctrl+k,ctrl+w deleted text.Ctrl+p: The previous used History command. (p:previous)CTRL + N: The next use History command. (N:next)Ctrl+r: Quick Search History command. (R:retrieve).Ctrl+t: Swap the character of the c

searches for word at the top of the file.N repeats the last search command in the same directionN repeats the last search command in the opposite direction: S/p1/p2/g all P1 in the current row are replaced with P2: n1,n2s/p1/p2/g all P1 in line N1 to N2 are replaced with P2: G/p1/s//p2/g replaces all P1 in the text with P2Last line mode command: N1,N2 Co n3 copies the contents of the N1 line to the N2 row below the N3 line: n1,n2 m N3 moves the contents of the N1 line to the N2 row below the N3