RH 124 Chapter 4 Text Files

CL Assume you have the privileges, list the contents of both the /etc/shadow and the /etc/passwd files and redirect the output to the file "total-user"

cat /etc/shadow /etc/passwd > total-user

CL Echo the text "End Of File" and append it to "total-user"

echo "End Of File" >> total-user

What is the stdin device?

keyboard

CL list recursively all the files in the root directory and redirect all errors to /dev/null

ls -R / 2>/dev/null

CL list recursively all the files in the root directory and redirect all errors to /dev/null and the error free output to the file "data"

ls -R / 2>/dev/null > data

CL List in long for the /etc/directory and pipe it to less.

ls -l /etc|less

CL List the files in the /etc directory and redirect the stdout to overwrite or create a file named "file-list"

ls /etc > file-list

CL List the files in the /etc directory and redirect the stdout to append or create a file named "file-list".

ls /etc >> file-list

What is the stderr device?

monitor

What is the stdout device?

monitor

CO What is the name of the editor used in class?

vi