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Create a function to reverse a string by iterating through its characters, returning the reversed version as output.
Iterate Backwards: Loop through the string from the last character to the first, appending each character to a new string.
Example: For input 'hello', the output will be 'olleh'.
Use String Concatenation: In each iteration, concatenate the current character to the result string.
Example: For input 'worl...
To create a new user account on a system, the 'useradd' command is commonly used in Linux environments.
Basic Syntax: The command is 'useradd [options] username'. For example, 'useradd john' creates a user named 'john'.
Setting Home Directory: Use '-d' option to specify a home directory, e.g., 'useradd -d /home/john john'.
Setting User Shell: Use '-s' option to set the default shell, e.g., 'useradd -s /bin/bash john'...
The '$?' variable in Unix/Linux indicates the exit status of the last executed command, helping to determine its success or failure.
Exit Status: '$?' returns 0 if the last command was successful and a non-zero value if it failed. For example, after running 'ls', '$?' will be 0 if the command succeeded.
Conditional Execution: You can use '$?' in conditional statements. For instance, 'command && echo Success'...
The paste command merges lines from multiple files horizontally, creating a new output with combined content side by side.
Basic Usage: The command 'paste file1.txt file2.txt' combines lines from both files, placing them side by side, separated by a tab.
Multiple Files: You can merge more than two files, e.g., 'paste file1.txt file2.txt file3.txt' will align lines from all three files.
Custom Delimiter: Use the '-d' ...
What people are saying about Wipro
As a System Engineer, I am proficient in various programming languages essential for system design and implementation.
Python: Used for scripting and automation tasks.
Java: Employed in building scalable applications and backend systems.
C/C++: Utilized for system-level programming and performance-critical applications.
Shell scripting: Essential for automating system administration tasks.
JavaScript: Important for dev...
OOPs concept refers to Object-Oriented Programming, which includes concepts like inheritance, encapsulation, polymorphism, and abstraction.
Inheritance allows a class to inherit properties and behavior from another class.
Encapsulation refers to bundling data and methods that operate on the data into a single unit.
Polymorphism allows objects of different classes to be treated as objects of a common superclass.
Abstra...
System engineers design and manage complex systems to ensure they operate efficiently and effectively.
Designing and implementing computer systems
Managing system infrastructure and ensuring its reliability
Troubleshooting system issues and providing technical support
Collaborating with other IT professionals to optimize system performance
The top command is used to display real-time information about running processes on a Unix/Linux system.
Displays a dynamic, real-time view of system processes
Provides information on CPU usage, memory usage, and running processes
Allows users to interactively manage processes (e.g. kill a process)
Useful for monitoring system performance and identifying resource-intensive processes
Constructor in Java is a special type of method that is used to initialize objects.
Constructors have the same name as the class they belong to.
They do not have a return type, not even void.
Constructors are called when an object of a class is created.
They can be overloaded to have multiple constructors with different parameters.
Example: public class Car { public Car() { // constructor code } }
Dynamic binding is the process of linking a method call to the method implementation at runtime.
Dynamic binding allows the method implementation to be determined at runtime based on the actual type of the object.
It is also known as late binding or runtime polymorphism.
Example: In Java, when a method is overridden in a subclass, the method call is dynamically bound to the subclass implementation at runtime.
I appeared for an interview in Mar 2025, where I was asked the following questions.
I am a dedicated System Engineer with a passion for technology and problem-solving, complemented by diverse hobbies that enrich my life.
I have a degree in Computer Science and over 5 years of experience in system engineering.
I enjoy coding in Python and have developed several personal projects, including a task automation tool.
In my free time, I love hiking and exploring nature, which helps me recharge and stay creativ...
Python is a high-level, versatile programming language known for its readability and wide range of applications.
Easy to learn and use, making it ideal for beginners.
Supports multiple programming paradigms, including procedural, object-oriented, and functional programming.
Widely used in web development (e.g., Django, Flask) and data analysis (e.g., Pandas, NumPy).
Has a large standard library and a vibrant ecosystem of t...
I focus on continuous learning, practical experience, and networking to enhance my skills as a System Engineer.
Engage in online courses and certifications, such as AWS Certified Solutions Architect.
Participate in hackathons to apply skills in real-world scenarios.
Join professional organizations like IEEE for networking and knowledge sharing.
Read industry-related books and articles to stay updated on trends.
Collaborate ...
I aim to enhance my skills in system engineering, contribute to innovative projects, and pursue leadership roles in the tech industry.
Pursue advanced certifications in system engineering, such as TOGAF or PMP.
Gain experience in cloud technologies by working on projects involving AWS or Azure.
Aim for a leadership position within the next five years, possibly as a team lead or project manager.
Stay updated with industry t...
I am motivated by problem-solving, continuous learning, and the opportunity to contribute to impactful projects in technology.
Passion for problem-solving: I enjoy tackling complex challenges, like optimizing system performance in previous projects.
Continuous learning: I actively pursue certifications and training, such as AWS and DevOps, to stay updated with industry trends.
Impactful contributions: I find motivation in...
I expect a competitive salary based on my skills, experience, and industry standards for a System Engineer.
Research industry standards: For example, Glassdoor or Payscale can provide insights into average salaries for System Engineers.
Consider my experience: With 5 years in the field, I would expect a salary in the range of $80,000 to $100,000.
Location matters: Salaries can vary significantly based on geographic locati...
Basics aptitude and mathematics questions
OOPs concepts with 2 coding questions on sharing screen
Normal Aptitude and reasoning asked and 3-4 easy coding questions
Was easy, lil tricky but manageable
I am a dedicated System Engineer with a passion for optimizing systems and enhancing performance through innovative solutions.
Over 5 years of experience in system design and implementation, including cloud-based solutions.
Proficient in scripting languages like Python and Bash, which I used to automate deployment processes.
Led a team project that improved system uptime by 30% through proactive monitoring and maintenance...
Prepare well with YouTube and some basic appitute
Basic coding is necessary and know how to explain
I enjoy hiking, which allows me to connect with nature, stay active, and explore new trails and landscapes.
I hike every weekend, exploring different trails in my area.
I recently completed a challenging 10-mile hike in the mountains.
I enjoy photographing the scenic views I encounter on my hikes.
Hiking helps me clear my mind and reduces stress after a busy week.
I am a dedicated System Engineer with a passion for optimizing systems and enhancing performance through innovative solutions.
Over 5 years of experience in system design and implementation, focusing on scalable solutions.
Proficient in various programming languages, including Python and Java, which I used to automate processes in previous projects.
Led a team to successfully migrate legacy systems to cloud-based solution...
Assignment involved aptitude, English, psuedocode
I applied via Naukri.com and was interviewed in Sep 2023. There were 3 interview rounds.
2+2=5
3+3=7
4+4=9
5+5=?
Some of the top questions asked at the Wipro System Engineer interview -
The duration of Wipro System Engineer interview process can vary, but typically it takes about less than 2 weeks to complete.
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