to print first 5 number of linnes

print 4 lines in numbers.txt

print all lines but  nor the last 2 lines in the file

-c option prints the N number of bytes from the initial part of the file

-c option prints the N number of bytes from the initial part of the file

pass the output of other commands to the input of the head

to print header information always

displays multiple files

redirect the head command to a text file

to list all the files /etc directory using ls command and prints 10 entries