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HCL Technologies

HCL Technologies Limited is an Indian multinational IT services company, headquartered in Noida, Uttar Pradesh, India. It is a subsidiary of HCL Enterprise.

Link: https://www.hcltech.com/
   




Unix - Interview Questions and Answers for 'Hcl technologies' - 3 question(s) found - Order By Newest

 Q1. What will be the crontab to run a job every last day of month ?Unix2016-12-16 09:34:26

Ans. 59 23 28-31 * * [ "$(date +%d -d tomorrow)" = "01" ] && job_name

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 Q2. Write a unix command to find top 10 files by size ?Unix2016-12-16 09:35:31

Ans. du -a /var | sort -n -r | head -n 10

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 As root, if you have to assign the owner for the file and set only read permission for the owner, Write a unix command to do it.


 Q3. What are fields that gets displayed when you execute "Top" command and briefly explain each field ?Unix2016-12-16 09:41:47

Ans. PID - process identification number is an identification number that is automatically assigned to each process when it is created

USER - User Name

PR - PR is the process actual priority

NI is the nice value, which is a user-space concept.

VIRT -Virtual Image (kb). The total amount of virtual memory used by the task.

RES - Resident size (kb). The non-swapped physical memory a task has used.

SHR - Shared Mem size (kb). The amount of shared memory used by a task.

S - Process Status. The status of the task which can be one of:

D = uninterruptible sleep
R = running
S = sleeping
T = traced or stopped
Z = zombie

%CPU - % CPU usage

%MEM - % MEM Usage

TIME - Total CPU time the task has used since it started.

COMMAND - Command which was used to execute the process

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HCL Technologies: HCL is a great company to begin ... Anonymous

HCL Technologies: This company is not bad for someone ... Jagriti

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