Bash Shell Scripting- Searching file content

This video tutorial explores the functionalities of the SED command, focusing on searching and deleting lines in a file. It explains the use of single and double quotations, variable substitution, and how to handle multiple word searches. The tutorial also covers the use of the exclamatory D option for deleting lines not containing a specific word, emphasizing the importance of using regular expressions for complex searches. The video concludes with a brief overview of future topics related to SED command usage.

What is one of the primary functionalities of the SED command discussed in the video?

• Searching content within files

• Compiling code

• Designing web pages

• Creating databases

Which option is used with the SED command to print lines containing a specific word?

• Q

• P

• I

• D

What is the difference between using single and double quotations in the SED command?

• Neither allow variable substitution

• Both allow variable substitution

• Double quotations allow variable substitution

• Single quotations allow variable substitution

How can you search for multiple words using the SED command?

• By using the -x option

• By using the -m option

• By using the -a option

• By using the -e option

What does the exclamatory D option do in the SED command?

• Deletes lines not containing the specified word

• Deletes lines from the start to a specified line

• Deletes lines containing the specified word

• Deletes all lines in the file

Which option should be used to permanently delete lines in the original file using the SED command?

• -p

• -d

• -i

• -s

What is recommended to use when searching for multiple words in a file with the SED command?

• Regular expressions

• Linear search

• Simple text search

• Binary search