Which areas can be locations of system bottlenecks? (Select three.)

Which commands are recommended to clear the contents an active file called log-file? (Select two.)

If you're not sure of the exact command name you want information about, you can find out all the commands related to a certain keyword by typing ?

To remove a NON-empty directory, this command is used?

What command is used to change your password?

Who This command list all users logged into the computer

pwd This command provides the password of the currently logged system.

comm This command can be used to check whether two files are identical

lp This command breaks up a file into equi-line segments ie splitting a file into multiple files.

more It is a pager that shows output of a file one page at a time. You can scroll both forward and backward by units of lines or screens

spell: This command takes the filename as arguments and generates a list of spellings that the program recognizes as mistakes.

Neighbor discovery is a componant of which protocol?