CUT command in Unix

Cut command in unix (or linux) is used to select sections of text from each line of files.The cut command can be used to print characters in a line by specifying the position of the characters. 

1.To print the characters in a line, use the -c option in cut command

Example:
> cat file.txt
unix or linux
is unix good
is linux good

cut command to print characters by position:

cut -c4 file.txt
x
u
l

2.cut command to print characters by range
cut -c4-7 file.txt
prints the character from 4th position to 7th position.

cut -c-6 file.txt
prints  the character from first  upto 6th.

cut -c10- fil.txt
prints the character from 10th position to till the end.