Terner's running terminal commands

[sed] Run and understand Replace newline at the end of each line

[sed] Run and understand Add a string to a specified line number in a file

[sed] Run and understand Create backup and add to file

[read] Execute and understand. Assign user input to variables and display.

[grep] Run and understand. Branching with the grep command

[find] Run and understand. Use the path output by the find command in other commands

[find] Run and understand Enter the results of find into the for statement

[cut] Run and understand. Split and display strings in a file with the cut command

[chsh] Run and understand. Change the default shell with the chsh command

[cat] Run and understand Output variable string with heredoc