Declare the intention to use the programs required by this module. Declaring the intention to use a program.
As of version 3.0.0-devel.0: this function does nothing; it is still here for backwards compatibility.
| • system passwd: | Reading and searching the file /etc/passwd. | |
| • system group: | Reading and searching the file /etc/group. | |
| • system file perms: | Converting file permissions. |