has used the command ls /etc | egrep -efedora\*|debian\*|gentoo\*|mandriva\*|mandrake\*|meego\*|redhat\*|lsb-\*|sun-\*|SUSE\*|release to determine which Linux OS version is running.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: has used the command ls /etc | egrep -efedora\*|debian\*|gentoo\*|mandriva\*|mandrake\*|meego\*|redhat\*|lsb-\*|sun-\*|SUSE\*|release to determine which Linux OS version is running. ### Response: T1082.