# System functions (OSD)

> OSD Scripting functions to read the MAC address and serial number and to validate a computer name.

Source: https://docs.capaone.com/capainstaller/vb-scripting-library/osd-scripting-library/system-functions-osd/  
Product: CapaInstaller — a separate CapaSystems product; do not apply this page to any other.

The System category contains functions to retrieve system information during OS Deployment.

## In this section

- [Sys_GetMac](/capainstaller/vb-scripting-library/osd-scripting-library/system-functions-osd/sys-getmac/)
- [Sys_GetSerialNumber](/capainstaller/vb-scripting-library/osd-scripting-library/system-functions-osd/sys-getserialnumber/)
- [Sys_IsValidComputerName](/capainstaller/vb-scripting-library/osd-scripting-library/system-functions-osd/sys-isvalidcomputername/)