Output Redirection

Question 1

Output Redirection

Answer 1

Details of how to manage command output in Linux using redirection operators

Question 2

Standard Output (stdout)

Answer 2

■ Default output stream for command results

■ Displays output on the terminal screen

Question 3

Basic Output Redirection (>)

Answer 3

■ Redirects standard output to a file

■ Overwrites existing file content

Question 4

Example of >

Answer 4

echo Hello, world! > greetings.txt

Question 5

Append Output Redirection (»)

Answer 5

■ Appends output to the end of an existing file

■ Preserves previously recorded content

Question 6

Example of »_space;

Answer 6

echo “Apache service restarted successfully”»_space; /var/log/service.log

Question 7

Standard Error (stderr)

Answer 7

■ Separate stream for error messages

■ Allows redirection of error messages independently from regular output

Question 8

Example of stderr

Answer 8

systemctl restart apache 2> /var/log/apache_error.log

Question 9

2»

Answer 9

Append error output

Question 10

&>

Answer 10

Redirect both stdout and stderr

Captures all output and error messages into one log file