split -b 500MB httpd.log
ll -lh
total 1.9G
-rw-r--r-- 1 root root 954M Mar 25 12:35 httpd.log
-rw-r--r-- 1 root root 477M Mar 25 12:38 xaa
-rw-r--r-- 1 root root 477M Mar 25 12:38 xab

split -b 500MB httpd.log ll -lh total 1.9G -rw-r--r-- 1 root root 954M Mar 25 12:35 httpd.log -rw-r--r-- 1 root root 477M Mar 25 12:38 xaa -rw-r--r-- 1 root root 477M Mar 25 12:38 xab

split -b 200M httpd.log split.log
ll -lh
total 1.9G
-rw-r--r-- 1 root root 954M Mar 25 12:35 httpd.log
-rw-r--r-- 1 root root 200M Mar 25 12:52 split.logaa
-rw-r--r-- 1 root root 200M Mar 25 12:52 split.logab
-rw-r--r-- 1 root root 200M Mar 25 12:52 split.logac
-rw-r--r-- 1 root root 200M Mar 25 12:52 split.logad
-rw-r--r-- 1 root root 154M Mar 25 12:52 split.logae

split -b 200M httpd.log split.log ll -lh total 1.9G -rw-r--r-- 1 root root 954M Mar 25 12:35 httpd.log -rw-r--r-- 1 root root 200M Mar 25 12:52 split.logaa -rw-r--r-- 1 root root 200M Mar 25 12:52 split.logab -rw-r--r-- 1 root root 200M Mar 25 12:52 split.logac -rw-r--r-- 1 root root 200M Mar 25 12:52 split.logad -rw-r--r-- 1 root root 154M Mar 25 12:52 split.logae