Saturday 26 June 2021

Basic Linux Commands Set for QA and SDET 2023? Linux commands for Manual Testers, DevOps?




"Linux FUN FACTS"100% of the world’s 500 fastest supercomputers run Linux.

Let's learn Linux commands for SDET/QA/DevOps profile, do check previous posts with 40+ Linux commands and make your own cheat sheet with the entire list.
Happy Learning!

  Linux Commands Set-01 for SDET/DevOps INterview Questions

  Linux Commands Set-02 for SDET/DevOps

Linux Commands set-03 for SDET/DevOps Interview Questions


  • How to search first line of file file3.txt

head -n 1 file3.txt

  • How to search last 3 line of file file3.txt

tail -n 3 file3.txt

  • HOW TO GET ALL THE LINES IN THE FILE “file3.TXT” which CONTAINS Test?

grep Test file3.txt

  • HOW TO GET ALL THE LINES IN THE FILE “file3.TXT” which has the word Test?

grep -w Test file3.txt

  • HOW TO GET ALL THE LINE number IN THE FILE “file3.TXT” which has the word Test?

grep -w -n Test file3.txt


Top 21 GIT interview questions: Click Here


  • How to provide CHMOD?

It is used to change read, write and execute permission 


0: no permission

1: execute

2: write

3: write and execute

4: read

5: read and execute

6: read and write

7: read, write and execute



  • What is top command ?

It is same as Task Manager in windows machine. The output will look like below


  • rmdir command vs rm command?
The rm command is used to delete directories and the contents within them but rmdir only allows you to delete empty directories.
  •  What is the use of traceroute in Linux?
Click Here For Answer
  • How to edit a file in Linux?
Use vi editor, for example let we want to edit file with name as file3.txt then we can use below steps:

-   vi files3.txt

- Use “i” to insert inside editor

- Press esc to come out of editor mode and then use :wq

- :wq : save the file and quit

Infact you can use :q or :w for below-->

:w :save the file

:q quit without saving


Tips: K j h l to move cursor inside vi editor (up/down/left/right)


Know About DevOps-Click Here

  •  How to create a file with name as file3.txt?

touch file3.txt or cat > file3.txt


  • What is the use of PWD command?

Use the pwd command to find out the path of the current working directory,  it  will return an absolute  path like :/Users/Sishukla




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API Testing Interview Question Set:
https://automationreinvented.blogspot.com/search/label/Rest-API

 
Kubernetes Interview Question Set
https://automationreinvented.blogspot.com/search/label/Kubernetes

 
Docker Interview Question Set
https://automationreinvented.blogspot.com/2020/02/top-18-docker-commands-for-aytomation.html

 
Linux Interview question Set
https://automationreinvented.blogspot.com/search/label/Linux

 
Automation Testing/SDET Framework Design
https://automationreinvented.blogspot.com/search/label/FrameworkDesign


Java Related Interview Question Set

https://automationreinvented.blogspot.com/search/label/Java


GIT Interview Question Set:
https://automationreinvented.blogspot.com/search/label/GIT


Coding Interview Question Set:
https://automationreinvented.blogspot.com/search/label/Coding%20Questions








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