Perform the following tasks in Linux(i) Display the first 15 lines

Question

Perform the following tasks in Linux

(i) Display the first 15 lines and last 20 lines of a text file (you need to create a text file)

(ii) Identify all files in your home directory which a group has written permission on it

(iii) What will be the output of the following commands:

ls | head – 5 | tail -1 > myfile cat myfile
ls –l / etc | tail – n + 2 | sort

08 Feb 2021

Answer :

Word Count : 393

(i) Display the first 15 lines and last 20 lines of a text file:

To create a text file and then display the first 15 lines and last 20 lines, you can follow these steps:

1. Open a terminal in Linux.

2. Create a text file, for example, "mytextfile.txt," and add some content to it. You can use a text editor like nano or vi, or simply use the `echo` command to add text.

```bash
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