Bash Shell Scripting- Insertion and Deletion with sed command

This video tutorial covers the use of the set command for file manipulation, focusing on insertion and deletion operations. It explains the syntax and flags used for these operations, such as 'I' for inserting before a line, 'A' for inserting after a line, and 'D' for deleting a line. Practical examples demonstrate how to insert and delete lines based on line numbers or specific words, and how to make these changes permanent in a file.

What is the primary focus of the 'sed' command as introduced in the video?

• File compression

• Network configuration

• File encryption

• Insertion and deletion

Which flag is used with the 'sed' command to insert a line before a specific line number?

• a

• d

• i

• x

What does the 'd' flag do in the context of the 'sed' command?

• Deletes a line

• Downloads a file

• Duplicates a line

• Displays a line

How can you modify the original file content permanently using the 'sed' command?

• By using the 'a' flag

• By using the 'x' option

• By using the 'd' flag

• By using the '-i' option

What symbol is used to identify the last line in a file when using the 'sed' command?

• %

• &

• $

• #

Which flag would you use to insert a line after a specific word in a file?

• x

• a

• d

• i

What is the purpose of using the 'sed' command with a specific word?

• To count the occurrences of the word

• To replace the word with another

• To insert or delete lines based on the word

• To encrypt the word

How can you delete a line containing a specific word using the 'sed' command?

• By using the 'x' flag

• By using the 'a' flag

• By using the 'i' flag

• By using the 'd' flag

What is the result of using the 'sed' command with the '-i' option?

• It reverses the changes

• It saves the changes permanently

• It displays the changes temporarily

• It ignores the changes

Which of the following is NOT a function of the 'sed' command as discussed in the video?

• Encrypting files

• Deleting lines

• Modifying file content

• Inserting lines