6.5 The chapter test |
- Let's explain the function of -g option of the groupmod command.
- Let's explain the function of -G option of the useradd command.
- Let's explain seven fields of the password file.
- Let's explain nine fields of the shadow file.
- When we use su command, please explain what is the differences between with '-' option and with no option?
- Let's explain the function of the sudo command.
