ESDS Software Solutions Linux Administrator Interview Questions and Answers

Aptitude and reasoning

Q1. Explain sticky bit example
Ans. 
Sticky bit is a permission set on a directory to allow only the owner to delete or rename files within that directory.
• Sticky bit is represented by a 't' at the end of the permission string for a directory.

• It is commonly used on directories like /tmp to prevent users from deleting each other's files.

• Example: chmod +t /tmp
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Q2. /tmp is an example
Ans. 
The /tmp directory is a temporary directory used for storing temporary files in Unix-like operating systems.
• Used for storing temporary files

• Files in /tmp are typically deleted upon system reboot

• Should not be used for storing important data
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Q1. What is LVM in linux
Ans. 
LVM stands for Logical Volume Manager. It is a tool used to manage disk space in Linux.
• LVM allows for dynamic allocation of disk space

• It allows for easy resizing of partitions

• LVM uses logical volumes instead of physical partitions

• It provides features like snapshots and mirroring

• LVM is commonly used in enterprise environments
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Q2. What is lpar in AIX server
Ans. 
lpar stands for Logical Partitioning in AIX server. It allows multiple virtual servers to run on a single physical server.
• lpar is a virtualization technology used in AIX servers

• It allows for multiple virtual servers to run on a single physical server

• Each virtual server has its own resources and can run its own operating system

• lpar is managed through the Hardware Management Console (HMC)

• It provides flexibility and resou
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