Which of the following commands can be used to search for the executable file foo when it has been placed in a
directory not included in $PATH?

Which signal is sent by the kill command by default?

What is the output of the following command? echo “Hello World” | tr -d aieou

Which of the following commands prints a list of available package updates when using an RPM-based package
management?

The system is having trouble and the engineer wants to bypass the usual /sbin/init start-up and run /bin/sh. What is the usual way to pass this change to the kernel from your boot loader?

Which type of filesystem is created by mkfs when it is executed with the block device name only and without any
additional parameters?

Which shell command is used to continue the background execution of a suspended command?

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

Which of the following commands can be used to display the inode number of a given file?

Which of the following files, located in the user home directory, is used to store the Bash history?

A user accidentally created the subdirectory \dir in his home directory. Which of the following commands will remove
that directory?

Consider the following directory:
drwxrwxr-x 2 root sales 4096 Jan 1 15:21 sales
Which command ensures new files created within the directory sales are owned by the group sales? (Choose two.)