head

Output the first part of files

Output the first few lines of a file

head -n {{count of lines}} {{filename}}

Output the first few bytes of a file

head -c {{size in kilobytes}} {{filename}}

Output everything but the last few lines of a file

head -n -{{count of lines}} {{filename}}

Output everything but the last few bytes of a file

head -c -{{size in kilobytes}} {{filename}}