When should grep -F or the fgrep command be used to search the content of text files?

Which of the following commands will print the first few lines of a text file to the shell?

Given the following output: prompt> myapp [1]+ Stopped myapp prompt> Which of the following commands will resume executing the stopped process and make it
the current job?

What command will display all of the background tasks running in the current shell?

Once a shell variable has been created, how can the variable be removed from the environment?

What is the purpose of the Bash built-in export command?

Which signal is sent by the kill command by default?

To ensure that a running process continues to execute after you log out, the process should be started with what command?

When in Normal mode in vi, which command character will insert a blank line below the current cursor position and place the insert cursor at the beginning of the
new line?

In bash, inserting 2>&1 after a command redirects