How to write the output into the file in Linux

In Linux, you can write the output of a command to a file using the “>” operator. The basic syntax is:

command > file

For example, if you want to write the output of the ls command to a file named “list.txt”, you would run the following command:

ls > list.txt

This will create a new file named “list.txt” in the current directory and write the output of the ls command to it.

If you want to append the output to an existing file instead of overwriting it, you can use the “>>” operator. The basic syntax is:

command >> file

For example, if you want to append the output of the ls command to an existing file named “list.txt”, you would run the following command:

ls >> list.txt

Additionally, you can use the tee command to write the output to a file while also displaying it on the screen. The basic syntax is:

command | tee file

For example, if you want to write the output of the ls command to a file named “list.txt” and display it on the screen, you would run the following command:

ls | tee list.txt

Also, if you want to redirect the standard error output to a file you can use the “2>” operator. For example:

command 2> file

It’s important to note that the file will be created in the current working directory. In case you want to write to a specific path or directory you have to specify the path or directory in the file name. (https://www.utahcnacenters.com/)

In addition, you should also be careful when using these operators as they will overwrite any existing files with the same name in the current directory.

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