What is the difference between the i and a commands of the vi editor?
SIMULATION -Which command displays a list of all background tasks running in the current shell? (Specify ONLY the command without any path or parameters.)
Which of the following commands moves and resumes in the background the last stopped shell job?
What is the effect of the egrep command when the -v option is used?
What does the ? symbol within regular expressions represent?
Which SysV init configuration file should be modified to disable the ctrl-alt-delete key combination?