Example of split – split a file into pieces

$split -C 3 split-ex.txt 
$ls xa
xaa  xab  xac  xad  xae  xaf  xag  xah  xai  xaj  
$cat xab 
2
$cat xac 
3
$cat xaj 
0
$cat xai 
9
$cat xaa 
1
$cat split-ex.txt 
1
2
3
4
5
6
7
8
9
0
$rm xa
xaa  xab  xac  xad  xae  xaf  xag  xah  xai  xaj  
$rm xa*
$split -n3 split-ex.txt 
$cat xa
xaa  xab  xac  
$cat xaa 
1
2
3
$cat xab 
4
5
6
$cat xac 
7
8
9
0
$