How do you save a terminal output to a file in Linux?

List:

1. command > output.txt. The standard output stream will be redirected to the file only, it will not be visible in the terminal. …
2. command >> output.txt. …
3. command 2> output.txt. …
4. command 2>> output.txt. …
5. command &> output.txt. …
6. command &>> output.txt. …
7. command | tee output.txt. …
8. command | tee -a output.txt.

How do you copy a terminal output?

There are 2 options,

1. Either you can copy-paste the selected text using Ctrl + Shift + C and Ctrl + Shift + V in which you have freedom what things to copy OR.
2. Redirect the text to a file using redirection. program1 >outputfile.txt 2>errorfile.txt. here, all the stdout will go to outputfile.