A=abcdef

B=first words from lines that starts with B,from file city.txt

C=unique lines from city.txt

D=file name length is less than 7 characters

E=rename to file name.new

Practice task \#5 Familiarize yourself with the commands for creating, copying, deleting, searching for files and directories, command from previous practice tasks, and the seq command. Prepare the text file city.txt (see practice task \#3) Use the command line to complete the tasks: - create the subdirectories (A) in the current user's home directory. - for each directory in (A), create files with names (B) and content (C). (Or skip this if (B) and (C) columns says "do not create files") - Find files that matches a condition (D), and perform an action (E) on them - complete task (F) (see next page)