Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
|
kernel |
The kernel is the essential center of a computer operating system, the core that provides basic services for all other parts of the operating system.
|
|
|
linux |
Linux is an operating system based on UNIX, and was first introduced by Linus Torvalds. It is based on the Linux Kernel,
|
|
|
Unix AND Linux |
Unix originally began as a propriety operating system from Bell Laboratories, which later on spawned into different commercial versions. On the other hand, Linux is free, open source and intended as a non-propriety operating system for the masses.
|
|
|
What are daemons?
|
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. |
|
|
What are the kinds of permissions under Linux?
|
There are 3 kinds of permissions under Linux: – Read: users may read the files or list the directory – Write: users may write to the file of new files to the directory – Execute: users may run the file or lookup a specific file within a directory |
|
|
What are the different modes when using vi editor? |
There are 3 modes under vi:
– Command mode – this is the mode where you start in – Edit mode – this is the mode that allows you to do text editing – Ex mode – this is the mode wherein you interact with vi with instructions to process a file |
|
|
What is grep command? |
grep a search command that makes use of pattern-based searching. It makes use of options and parameters that is specified along the command line and applies this pattern into searching the required file output. |
|
|
Bash |
Bash is the shell, or command language interpreter, for the GNU operating system. " Bourne-Again SHell " |
|
|
GRUB |
GRUB (GRand Unified Bootloader) is a boot loader package developed to support multiple operating systems and allow the user to select among them during boot-up
|
|
|
inodes |
A Linux directory lists other filesystem objects by name, normally identifying the listed object by referring to its inode. The directory contains an entry for itself, its parent, and each of its children. |
|
|
Swap space
|
Swap space is the area on a hard disk which is part of the Virtual Memory of your machine, which is a combination of accessible physical memory (RAM) and the swap space. Swap space temporarily holds memory pages that are inactive.
|
|
|
GNU |
Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use |
|
|
Root account |
Root Definition. root is the user name or account that by default has access to all commands and files on a Linux or other Unix-like operating system. It is also referred to as the root account, root user and the superuser.
|
|
|
What is CLI and GUI? |
A CLI, or command-line interface, is a way to interact with a computer by typing text commands into a terminal window. A GUI, or graphical user interface, allows a user to interact with a computer by using a keyboard or mouse to manipulate visual elements on the screen.
|
