We can use redirection to send and use the data present in the system so far. By using Redirect, we will not send copies of our data to the system. The following article explains how to use redirect output to a file in Linux.
How do I Redirect Output to a File in Linux?
Direct Redirection is an interesting Linux feature, which allows users to send requests directly to the kernel (stdin) while receiving output from the kernel (stdout) only through direct redirection. Linux allows users to save files using the stdout (output) command, also known as the stream command. Transmitting data between a server and a computer is done with stream commands.
With Redirect, you can make the commands visible in the terminal and save them to review later. Below are a few ways to explain Linux redirection:
Send a Single File Output
We can redirect in bash by using a script or command in the form of > or >>. This command provides the path of the file.
- The output redirect for the > command changes the file itself.
- The following command >> adds the given output to the output redirect file.
Stdout displays vital reductions as a standard command. ls is the next command, which displays everything as listed on the screen.
This command doesn’t need to specify any path; it automatically displays and saves it.
If you look at the file, the output of the ls command will appear as if the cat command prints the contents to the terminal.
The following command is to be used to print the output redirection.
Operator > is given when only one output is issued, but >> is used to save the output in the following command:
Bash creates the file if no file exists; otherwise leaves it as it is and appears at the end if it is appended.
Redirect from Terminal to a Single Output
Given method is used when > or >> is not to be used. In this, instead of > Tee command is used which performs both printing and saving functions. So here is the following command:
ls | tee /home/linuxhint/outputfile
Reducing the terminal with the appropriate command overwrites the output by appending > as in the tee command.
Using Top command
The top command is used to view essential information like real-time, memory used, processes being used in the Linux system. B plague is used in the given function. Which gets all the information about the given command, including the full command permissions, and provides the output by specifying its number. The puzzle command is given to redirect the output specified as well as its less command.
less topfile.txt
Now N attention command will be given, which will be used to determine their number in which one or number is written after n.
Finally, the cat command is used to give details of what is going on.
Conclusion
This article also explains how to redirect the output into a file and add and re-creating the file through the output. We hope that this article will prove to be of your use as well as have learned something from it.