expl

PDL::Objects (1p)    - - Object-Orientation, what is it and how to exploit it
PDL::Objects (1p)    - - Object-Orientation, what is it and how to exploit it
EXPLAIN (7) [explain] - show the execution plan of a statement
cexpl (3)            - complex exponential function
cruft (8)            - Check the filesystem for cruft (missing and unexplained files)
expl (3)             - base-e exponential function
explain (7)          - show the execution plan of a statement
frexpl (3) [frexp]   - convert floating-point number to fractional and integral components
ldexpl (3)           - multiply floating-point number by integral power of 2
mysql_explain_log (1) - use EXPLAIN on statements in query log
nmap (1)             - Network exploration tool and security scanner
perror (1)           - explain error codes