Which of the following are requirements in order to run a shell script like a regular command from anywhere in
the filesystem? (Choose THREE correct answers.)

SIMULATION
What command displays all aliases defined in the current shell? (Specify the command without any path
information)

Which of the following commands is used to update the list of available packages when using dpkg based
package management?

What is the purpose of the file /etc/profile?

After modifying GNU GRUB’s configuration file, which command must be run for the changes to take effect?

Which of the following SQL queries counts the number of occurrences for each value of the field order_type in
the table orders?

Which of the following options for the kernel’s command line changes the systemd boot target to rescue.target
instead of the default target?

Which of the following commands lists all defined variables and functions within Bash?

Which of the following kernel parameters instructs the kernel to suppress most boot messages?

Which of the following words is used to restrict the records that are returned from a SELECT SQL query based
on a supplied criteria for the values in the records?