Class 9: Redirection

Question 1

<

Answer 1

Redirects the input

Question 2

>

Answer 2

Redirects the output

Question 3

2>

Answer 3

Redirects Unix/Linux system errors

Question 4

Prog1<prog1.input

Answer 4

Input comes from file prog1.input

Question 5

%prog1 2> erro.file

Answer 5

This will run prog1 and write any Unix/Linus error messages to error.file

Question 6

Prog1 > stout.file 2>&1

Answer 6

Redirects stdout and stderr to the same file

Question 7

Prog1 2>&1>stdout_stderr.file

Answer 7

This will send stdout to stdout_stderr.file and stderr to what was previously stdout