R0045/2026-03-29/Q001/SRC01
SPARC International / IDC / Gartner Dataquest press releases on Sun Unix server market share
Source
| Field |
Value |
| Title |
Sun Leads Worldwide Unix Server Market / Sun Ships Two Out of Three Unix/RISC Systems |
| Publisher |
SPARC International (reporting IDC and Gartner Dataquest data) |
| Author(s) |
SPARC International press office |
| Date |
2002-2003 |
| URL |
https://sparc.org/2002/sun-ships-two-out-of-three-unixrisc-systems-in-us/ |
| Type |
Industry data reporting (sourcing analyst firm data) |
Summary
| Dimension |
Rating |
| Reliability |
Medium |
| Relevance |
High |
| Bias: Missing data |
Some concerns |
| Bias: Measurement |
Low risk |
| Bias: Selective reporting |
Some concerns |
| Bias: Randomization |
N/A — not an RCT |
| Bias: Protocol deviation |
N/A — not an RCT |
| Bias: COI/Funding |
High risk |
Rationale
| Dimension |
Rationale |
| Reliability |
Data originates from IDC and Gartner Dataquest — reliable analyst firms — but is reported through SPARC International, which is a Sun-affiliated industry group. The underlying data is sound; the framing may be selective. |
| Relevance |
Directly provides Sun's Unix/RISC market share data for 2001-2002, which is the core question. |
| Bias flags |
SPARC International has a clear conflict of interest as a Sun-affiliated organization. They would selectively report data favorable to Sun. The underlying IDC/Gartner data is reliable but the choice of which metrics to highlight (e.g., units vs revenue, US vs worldwide) may be optimized for Sun's narrative. |
| Evidence ID |
Summary |
| SRC01-E01 |
Sun held 68.5% of US Unix/RISC unit shipments in Q4 2001 |
| SRC01-E02 |
Sun held 54% worldwide Unix server market share in Q1 2002 |