lesson1 Flashcards
What is an operating system ?
Software that acts as a middleman between a computer hardware and the computer user.
what is Linux?
It is a free and opensource OS.
what are some advantages of using Linux?
- free and easy to learn
- widely used in servers
- faster processing
- enhanced security
- community support
what are some Linux flavors?
- ubuntu
- Debian
- RHEL
- centos
- Fedora
- open suse
what is the super-user account in Linux called ?
root
Linux is case sensitive T or F
T
what is the core of a Linux system called ?
The kernel
what is a file system in Linux ?
A file system in Linux is a method for organizing and managing files on a storage device, like a hard drive or SSD. It determines how data is stored, accessed, and managed.
what are some of the directories in a Linux file system and their usage ?
- /boot : contains files used by the boot loader
- /root : This is the root user’s home directory
- /dev : system devices that are attached to the Linux system e.g. speakers, flash drive, disk etc.
- /etc. : contains configuration files
- /bin : contains user commands
- /sbin : contains system commands
- /opt : used for “optional” or third-party software. It stands for “optional” and is designed to hold additional software packages that are not part of the default or standard Linux distribution.
- /proc : contains all files for running processes
- /lib : library files needed by commands and applications.
- /tmp : used for temporary files or files that will be deleted later
- /home : directory of the home user
- /var : contains system logs
- /mnt : used to mount external file systems
what does it mean when we say a software is opensource ?
Anyone can inspect, modify or enhance the source code.