Abhishek Verma989

This will definitely help you. Like the answer please The grep command is a Unix utility used for searching and filtering text. It is used to search for specific patterns within one or more files, and...

The rm command is a Unix utility used for deleting files and directories. It is used to remove files or directories from the filesystem, and it can be used with a variety of options to control its behavior....

The 'awk' command is a versatile Unix utility used for processing and manipulating text files or input streams. It is particularly useful for parsing structured data and extracting specific fields or patterns...

The 'sed' command is a powerful Unix utility that is used to perform text transformations on a file or input stream. It can be used to perform operations such as search and replace, insert or delete lines,...

In programming, functions and methods are both blocks of code that perform a specific task. However, there are some key differences between them. Definition and Invocation: A function is a standalone...

Polymorphism is the ability of objects to take on multiple forms or behaviors, allowing objects of different classes to be treated as if they were of the same class. It enables more flexible and reusable...

A callback function is a function that is passed as an argument to another function and is executed by that function. It allows for asynchronous processing, handling events or completion of asynchronous...