Related Clues:

• Part of PBS: Abbr.
• M.O.
• MS-DOS pt.
• ___ admin (computer techie, for short)
• Part of DOS
• The second 'S' in MS-DOS: Abbr.
• Part of 20-Across: Abbr.
• -- admin
• The 'S' of OS: Abbr.
• With "op," a computer VIP
• CBS part, once: Abbr.
• Part of TBS: Abbr.
• CBS part, briefly
• ___ admin
• The 'S' of GPS: Abbr.