Functions in this library depend on EPICS but are not
real device drivers. It's a bunch of utilities.

Functions are:

require "<lib>" [,"<version>"]
 shell function
 load a library and its dbd file

updateMenuConvert
 startup script function
 add all loaded breakpoint tables found on this ioc to menu convert
 to be called before iocInit
 
addScan rate
 startup script function
 create a new scan rate (seconds) and add it to menuScan
 to be called before iocInit

bootNotify
 startup script function
 call a script on the boot pc and tell it a lot of boot infos
 
dir / ls / ll / mkdir / rmdir / rm / mv / umask / chmod
 shell functions
 make disc functions available in iocsh
 not needed on vxWorks

exec / !
 execute an externel command from iocsh
 shell function
 not available on vxWorks
 
listRecords filename fields
 shell function
 wrapper for dbl to get same syntax in 3.13 and 3.14