Day3 #90daysofdevops Challenge
In this blog we'll learn how we can drive certain tasks in Linux using shell:
I'm a DevOps enthusiast with a passion for learning and using the latest tools to streamline development and deployment workflows. From containerization to automation, I'm always on the lookout for ways to make the DevOps engineer's life easier. Follow me for insights into the latest trends and tools in DevOps, as well as tips and tricks for optimizing your workflows.
To view what's written in a file.
cat filename
To change the access permissions of files.
chmod
To check which commands you have run till now.
history
.
.
To remove a directory/ Folder.
rmdir directoryname
To create a fruits.txt file and to view the content.
touch fruits.txt
cat fruits.txt
Add content in fruits.txt (One in each line) - Apple, Mango, Banana, Cherry, Kiwi, Orange, Guava
cat >> fruits.txt
Apple
Mango
Banana
Cherry
Kiwi
Orange
Guava
ctrl + d
Show only the top three fruits from the file.
head -3 fruits.txt
Show only the bottom three fruits from the file.
tail -3 fruits.txt
To create another file colors.txt and to view the content.
touch colors.txt
cat colors.txt
Add content in colors.txt (One in each line) - Red, Pink, White, Black, Blue, Orange, Purple, Grey
cat >> colors.txt
Red
Pink
White
Black
Blue
Orange
Purple
Grey
ctrl + d
To find the difference between the fruits.txt and colors.txt file
diff fruits.txt colors.txt
