Study tips LX0-101

Which of the following is the best way to list all defined shell variables?

Which command allows you to make a shell variable visible to subshells?

which series of programs and/or scripts would most closely describe the startup process?

What configuration file should you edit?

Which file would you edit to achieve this?

which directory will you commonly find the delivered mail for the user foo?

What entry can you add to syslog.conf file to have all syslog messages generated by your system go to virtual console 12?

Which TWO of the following Class B IPv4 networks are reserved by IANA for private address assignment and private routing?

CORRECT TEXT The ________ command is used to add a group to the system.

Which of the following describes the Linux ping packet or datagram?