What are the names of the three file streams associated with your terminal?
What is a file descriptor?
What command would you use to do the following:
Redirect the output of the ls command to a file called lsfile ?
Redirect and append the output of the date command to lsfile ?
Redirect the output of the who command to lsfile ? What happened ?
Perform the following:
Type cp all by itself. What happens?
Save the error message from the above example to a file.
Use the find command to find all files, starting from the parent directory, of type directory . Save the standard output in a file called found and any errors in a file called found.errs .
Take the output of three commands and redirect the output to a file called gottem_all .
Use a pipe(s) with the ps and wc commands to find out how many processes you are currently running.