Unix Assignment

1. List the different special characters within POSIX BRE Regular Expression engine.

2. Using the sed editor show two (2) different command line arguments that would read data from a file myfile.txt and insert after the second line of text in mydata.txt.

myfile.txt

First new line

Second new line

mydata.txt

Line number 1

Line number 2

Line number 3

Line number 4

For questions 5-8 use the attached file (data.txt) as the input file. For each question submit the sed command used and the resulting output. Note: Start with a fresh copy of