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gdm3 vs lightdm

gdm3 vs lightdm

GDM (GNOME Display Manager) The GNOME Display Manager (GDM) is a program that manages graphical display servers and handles graphical user logins. GDM3:- GDM3 is the default display manager for GNOME Desktop which manages the graphical display servers and user logins. GDM do not include any XDM code and was written from scratch. Features of …

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How to install FTP server (VSFTPD) on Ubuntu 20.04 / 18.04 / 18.10 / 19.04 / 19.10

How to install FTP server (VSFTPD) on Ubuntu 20.04 / 18.04 / 18.10 / 19.04 / 19.10

VSFTPD ( Very Secure File Transfer Protocol Daemon ) is an FTP server on ubuntu. It is a default FTP server in Ubuntu, CentOS, Fedora, NimbleX, Slackware and RHEL Linux. It is licensed under the GNU General Public License. VSFTPD is Optimized for security, performance, and stability, and it protects against many security problems found …

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Literals in C

Literals in C

Constant values used within a program are known as Literals. These constant values occupy memory but do not have any reference like variables. There are four types of literals in C Integer literal Float literal String literal Character literal Integer literal Integer literals are used to represent and store the integer values. Integer literal is followed …

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Operators in C

Operators in C

An operator is a symbol that helps us to perform specific mathematical and logical computation operation on a value or a variable. There are following types of operators to perform different types of operations in C language. Arithmetic Operators Relational Operators Logical Operators Bitwise Operators Assignment Operators Other Operators Arithmetic Operator An arithmetic operator performs …

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Identifiers in C

Identifiers in C

Identifier refers to name given to different entities such as constants, variables, structures, functions, etc. Example int age; double mobile_number; Here age and mobile_number are identifier. int and double are data type. Rules for naming Identifier We cannot use keywords as identifier. The first letter of an identifier should be either a letter or an …

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