else These flow-control keywords are documented in Compound

shift ARRAY shift EXPR shift Shifts the first value of the array off and

unlink LIST unlink Deletes a list of files. On success, it returns the number of files it successfully deleted

when These flow-control keywords related to the experimental switch feature are documented in

shutdown SOCKET,HOW Shuts down a socket connection in the manner indicated by HOW, which has the same interpretation as in the syscall of

cmp These operators are documented in perlop.

reset EXPR reset Generally used in a

qw/STRING/

shmget KEY,SIZE,FLAGS Calls the System V IPC function shmget. Returns the shared memory segment id, or

exit EXPR exit Evaluates EXPR and exits immediately with that value. Example: