Give a single pipeline, using the head and the tail commands to:

a$.$ select lines $5$ to $10$ from a file

b$.$ select second$-$to$-$last line $($i$.$e$.$ the line before the last line$)$ from a file

$2.[2]$ How do you display a list of all processes where processes with the same name are grouped together?

$3.[2]$ How do you display the total number of processes started by the root user?

$4.[2]$ How do you list the ordinary files in your current directory that are not user$-$writable?

$5.[2]$ What is the significance of this command?

grep $-$l $"`$echo $\text{'}\backslash$t$\text{'}`"*$

$6.[2]$ Are the following commands equivalent? Briefly explain.

grep $"^[^$a$-$z$]"$ foo

grep $-$v $"^[$a$-$z$]"$ foo

$7.[2]$ Write a command to display all the lines in a given file that end with a $"$;$"$ or a $"."$ character.

$8.[2]$ Write a command to change all and in file foo.html to and $,$ respectively

$9.[2]$ Write a command to delete all leading and trailing spaces in all lines of foo.

$10.[2]$ Write a command to use sed to print all lines in foo that beginning and ending with a dot