Wipro Linux Administrator Interview Questions and Answers

LVM stands for Logical Volume Manager. It is a tool used for managing disk space in Linux.

• LVM allows for dynamic allocation of disk space

• It allows for easy resizing of partitions

• LVM can create snapshots of logical volumes for backup purposes

• Examples of LVM commands include pvcreate, vgcreate, and lvcreate

File system integrity can be checked using fsck command in Linux.

• Use fsck command to check and repair file system errors

• Run fsck on unmounted file systems for accurate results

• Use options like -y to automatically repair errors without user intervention

Programming language is a set of instructions used to create software applications.

• Programming languages are used to write code that computers can understand and execute.

• There are many programming languages such as Java, Python, C++, and JavaScript.

• Each programming language has its own syntax and rules for writing code.

• Programming languages can be classified into low-level and high-level languages.

• Examples of low-level languages include Assembly and Machine language, while hi...read more

Cloud computing is the delivery of computing services over the internet, including servers, storage, databases, networking, software, and more.

• Cloud computing allows users to access and use resources on-demand without the need for physical infrastructure.

• It offers scalability, flexibility, cost-effectiveness, and increased efficiency.

• Examples of cloud computing services include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.

IP can be assigned using various methods like DHCP, static IP, or command-line tools like ifconfig or ip.

• DHCP assigns IP automatically to devices on the network

• Static IP is manually assigned to a device and remains the same

• ifconfig and ip are command-line tools used to assign IP

• Example: sudo ifconfig eth0 192.168.1.100 netmask 255.255.255.0

• Example: sudo ip addr add 192.168.1.100/24 dev eth0

Code to print table of any number in Python

• Use a loop to iterate from 1 to 10 (for a 10x table)

• Multiply the number by the current iteration value

• Print the result for each iteration

JIT Compiler stands for Just-In-Time Compiler. It is a type of compiler that compiles code during runtime.

• JIT Compiler is used to improve the performance of applications by compiling code on the fly.

• It is commonly used in Java and .NET environments.

• JIT Compiler compiles code into machine code, which can be executed directly by the CPU.

• It can also optimize code by removing unnecessary instructions and reducing memory usage.

• Examples of JIT Compiler include HotSpot for Java and ...read more