Day 3: Hands-on Linux

To view what's written in a file.
```
  cat <file_name>
```
To change the access permissions of files.
```
  chmod <permissions> <file_name>
```
To check which commands you have run till now.
```
  history
```
To remove a directory/ Folder.
```
  rmdir <directory_name>
```
To create a fruits.txt file and to view the content.
```
  touch fruits.txt cat fruits.txt
```
Add content in devops.txt (One in each line) - Apple, Mango, Banana, Cherry, Kiwi, Orange, Guava
To Show only the top three fruits from the file.
```
  head -3 devops.txt
```
To Show only the bottom three fruits from the file.
```
  tail -3 devops.txt
```
To create another file Colors.txt and to view the content.
Add content in Colors.txt (One in each line) - Red, Pink, White, Black, Blue, Orange, Purple, Grey.

shown in the above image.
To find the difference between fruits.txt and Colors.txt file.
```
diff fruits.txt Colors.txt
```

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