The root account is like a systems administrator account, and allows you full control of the system. Here you can create and maintain user accounts, assigning different permissions for each account. It is the default account every time you install Linux.
What, if anything, is wrong with each of the following commands? a) ls -l-s b) cat file1, file2 c) ls – s Factdir
Answers: a) there should be space between the 2 options: ls -l -s b) do not use commas to separate arguments: cat file1 file2 c) there should be no space between hyphen and option label: ls –s Factdir
Daemons are services that provide several functions that may not be available under the base operating system. Its main task is to listen for service request and at the same time to act on these requests. After the service is done, it is then disconnected and waits for further requests.
CLI is short for Command Line Interface. This interface allows user to type declarative commands to instruct the computer to perform operations. CLI offers an advantage in that there is greater flexibility. However, other users who are already accustom with using GUI find it difficult to remember commands including attributes that come with it.