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To check open files in Linux without using lsof, you can use the /proc filesystem.
Access the /proc/
Use the find command to search for open files in the /proc directory.
Check the /proc/sys/fs/file-nr file to see the total number of open files system-wide.
The /proc filesystem in Linux is a virtual filesystem that provides detailed information about the system's hardware, processes, and kernel.
It is a virtual filesystem located at /proc that allows access to kernel data structures.
It provides information about processes, hardware, and kernel configuration.
Files in /proc can be read to gather system information, such as CPU usage, memory usage, and network statistics.
HTTP/1.1 is a protocol for transferring data over the internet, while HTTPS/2 is a secure version of HTTP/2 with improved performance.
HTTP/1.1 is not secure by default, while HTTPS/2 provides encryption and security.
HTTP/1.1 uses multiple connections for parallel loading of resources, while HTTPS/2 uses a single connection with multiplexing.
HTTPS/2 supports header compression, reducing overhead and improving performanc...
gRPC is a high-performance, open-source RPC (Remote Procedure Call) framework developed by Google.
gRPC stands for Google Remote Procedure Call.
It uses HTTP/2 for transport, Protocol Buffers for serialization, and supports multiple programming languages.
gRPC allows for efficient communication between services in a microservices architecture.
It enables bi-directional streaming and authentication features.
Example: gRPC ca...
posted on 21 May 2024
posted on 26 Sep 2024
Write a code to find a loop in linked list
I appeared for an interview before Jan 2021.
Round duration - 60 minutes
Round difficulty - Easy
Two coding questions were given in the first round to be solved in 60 minutes.
Given an array A
containing 'N' integers and an integer m
, rearrange the elements of the array such that the differences between the array elements and m
are sor...
Rearrange array elements based on their differences from a given integer.
Calculate the differences between each element and the given integer.
Sort the elements based on their differences while maintaining the original order for elements with the same difference.
Implement a function to rearrange the array elements as per the given criteria.
Given an arbitrary binary tree, a node of the tree, and an integer 'K', find all nodes that are at a distance K from the specified node, and return a list of th...
The task is to find all nodes in a binary tree that are at a distance K from a given node.
Traverse the binary tree to find the given node
From the given node, perform a depth-first search to find all nodes at distance K
Use a list to store the values of the nodes at distance K
Return the list of values in any order
Round duration - 60 minutes
Round difficulty - Easy
This was a technical round with questions based on DSA, DBMS, Computer Networking and project based questions.
Ninja is tasked with printing a triangle pattern based on a given number 'N' for any test case.
N = 4
1
232
34545
4567654
The pat...
Print a triangle pattern of numbers based on a given number 'N'.
Iterate through each row and print the numbers accordingly
Use spaces to center-align the numbers in each row
Increment the numbers in each row as per the pattern
Web server serves static content over HTTP, while application server runs dynamic content and business logic.
Web server handles HTTP requests and responses, serving static content like HTML, images, and CSS.
Application server executes business logic, runs dynamic content, and interacts with databases.
Web server examples include Apache, Nginx, while application server examples include Tomcat, JBoss.
Web server focuses on...
The internet is a global network of interconnected computers that communicate using standardized protocols.
The internet is made up of a vast number of interconnected networks of computers.
Data is transmitted over the internet using protocols such as TCP/IP.
Websites are hosted on servers connected to the internet, and users access them using web browsers.
Internet Service Providers (ISPs) provide access to the internet f...
SQL query to find the nth highest salary
Use the 'SELECT DISTINCT' statement to get unique salary values
Order the salaries in descending order using 'ORDER BY' clause
Use 'LIMIT' and 'OFFSET' to get the nth highest salary
Round duration - 30 minutes
Round difficulty - Easy
Typical HR round with behavioral problems.
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
I applied via Referral and was interviewed in May 2017. There were 4 interview rounds.
Salary cycle refers to the frequency at which employees are paid, such as weekly, bi-weekly, or monthly.
Salary cycle can vary depending on the company's policies and practices.
Common salary cycles include weekly, bi-weekly (every two weeks), semi-monthly (twice a month), and monthly.
Some companies may also offer different salary cycles for different employee groups, such as hourly vs. salaried employees.
Understanding t...
I applied via Referral and was interviewed before Mar 2017. There were 6 interview rounds.
I applied via Naukri.com and was interviewed before Mar 2017. There were 4 interview rounds.
I am looking to establish a long-term career with the company and grow professionally.
I am committed to contributing to the company's success for the foreseeable future
I am eager to take on new challenges and responsibilities within the organization
I value stability and growth opportunities in my career
I applied via LinkedIn and was interviewed before Jul 2021. There were 2 interview rounds.
I applied via Job Portal and was interviewed before Oct 2020. There were 4 interview rounds.
I applied via Recruitment Consultant and was interviewed before Mar 2020. There were 3 interview rounds.
based on 1 interview
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