|LifeLines Documentation: LifeLines Version 3.0.2|
|Prev||Chapter 2. LIFELINES PROGRAMMING REFERENCE|
lock a person or family in memory
unlock a person or family from memory
return name of current database
return version of LifeLines program
execute string as a UNIX shell command
Lock and unlock are used to lock a person or family into RAM memory, and to unlock a person or family from RAM memory, respectively.
Database returns the name of the current database, useful in titling reports. Version returns the version of the running LifeLines program, eg, 3.0.2.
System executes its string argument as a UNIX shell command by calling the UNIX system system call.