Advanced head and tail

Ø  Show first x lines from file

ü  $head –n 10 data.txt

Ø  Show all lines in filename except the last x

ü  $head –n -15 data.txt

Ø  Show last x lines from file

ü  $tail –f –n 10 data.txt

ü  -f option show new data immediately

Ø  Show the entire contents of file

ü  $tail –n +10 data.txt

ü  $tail –f logfile

ü  $ps  -ef

ü  $ps –ef | tail –n+2