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| Questão | Responda |
| The three main components of an operating system are: | kernel, shell and filesystem |
| Who starts and kills programs? | The Kernel |
| Does the Kernel handle the displaying of text? | Yes |
| Switching of applications is handle by who? | The Kernel |
| What is the name when a task has run a sufficient amount of time, the CPU pauses the task so that another may run | Pre-emptive multitasking |
| Doing several tasks at once, is called? | Multitasking |
| Small piece of code, when the computer starts up | Boot loader |
| Applications make request to whom? | The kernel |
| Why do applications make request? | To receive resources |
| What resources does the application need? | Memory, CPU and Disk |
| What is a process? | One task that is loaded |
| Who does the Kernel track? | A process |
| Who takes care of running the process? | The Kernel |
| How many processes does an application need? | multiple |
| Who compiles the source code into machine code? | A compiler |
| You get the right to use the machine code, but cannot see the source code, is called? | closed-source license |
| What view does an open source take on software? | source-centric view |
| What does GNU stand for? | GNU’s, not UNIX |
| The major players in the market are? | Red Hat or Debian |
| Red Hat distributed what? | Red Hat Package Manager (RPM) |
| What type of source is Red Hat Enterprise? | Open source |
| What type of source is Debian? | Open source |
| Most popular Debian derived distribution? | Ubuntu |
| The TiVo is a consumer digital video recorder built on what? | Linux |
| An operating system provides at least what? | one shell or interface |
| The two most common types of shells are? | GUI and CLI |
| GUI | Graphical User Interface |
| CLI | Command Line Interface |
| The bash shell derives its name from? | the Bourne Shell |
| Bourne Shell: | Bourne Again SHell. |
| What command to use to change your default shell? | chsh command |
| Where is the location where the system stores the default shell for user accounts? | /etc/passwd file |
| If the system is configured with GUI, then you will need to find a software called? | Terminal |
| Linux servers, are not configured to provide a GUI by default, they present? | a CLI |
| Insecure connections could be made using protocols such as: | Telnet and rlogin |
| Programs that provide secure connections: | putty and ssh |
| To the user what is a filesystem? | Hierarchy of directories |
| In what place is the root / directory in the directory tree? | At the top |
| To the operating system, a filesystem is? | Structure |
| disk partition consist of? | Tables |
| What do disk partition define? | The locations of directories and files |
| What is another way to look at a command? | look at its source |
| What is the source of a command? | where the command "comes from" |
| How many Sources does a command have? | several different sources |
| Site where GPL licensed software can be found: | kernel.org |
| What does the GPL licensed code compels distributors to do? | source code available |
| What is a script file? | A text file that contains commands |
| What is the Syntax Pattern of a command? | command [options…] [arguments…] |
| Example of a mnemonic character: | letter "a" for "all" |
| Multiple single options can be either: | Separate or combine |
| How is --badname interpret? | As an option |
| How is --badname interpret? sysadmin@localhost:~$ touch -- --badname | as an argument |
| common use of the exec command is? | wrapper scripts |
| purpose of a script is to simply configure and launch another program | wrapper scripts |
| What information does the uname command show? | system information |
| "pwd" command, which is mnemonic for: | "print working directory" |
| When executed without any options, the pwd command will display | Current Directory where the user is |
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