Red Hat Certified System Administrator (EX200) - 340 Questions

1. A system administrator needs to display the last 20 lines of a log file called /var/log/messages. Which command accomplishes this?

2. A user wants to redirect both standard output and standard error from a command called `build.sh` into a single file named output.log, overwriting any existing content. Which command achieves this?

3. A system administrator needs to search for all lines in /etc/passwd that begin with the letter 'r'. Which grep command is correct?

4. A junior administrator wants to connect to a remote server at 192.168.1.50 as the user 'deploy' using SSH. Which command is correct?

5. A system administrator needs to switch to the root user and also load root's full login environment including the PATH and home directory. Which command accomplishes this?