What is the unistd symbolic constant for the Standard error?STDERR_FILENOSTDIN_FILENOSTDOUT_FILENO

What is the unistd symbolic constant for the standard output?STDERR_FILENOSTDIN_FILENOSTDOUT_FILENO

What is standard error in Linux?1 pointError messages returned by the operating system through the shellA Linux command that outputs a specified string of textInformation received by the operating system via the command lineInformation returned by the operating system through the shell

Which symbol should I use to redirect the error output to the standard output?

ShellWhich symbol should I use to redirect the error output to the standard output?

In MATLAB, there are predefined constants in programming. Which of the following command represents undefined numerical numbers in program output?Multiple Choiceepsi,jNaNInf