Question: What are the names of all unix shell with PowerShell (Cmdlet) of Select-String?
SQL: SELECT "Unix shell" FROM "1-14465871-1" WHERE "PowerShell (Cmdlet)" = 'Select-String';

Question: What are all values of CMD.EXE / COMMAND.COM for the unix shell echo?
SQL: SELECT "CMD.EXE / COMMAND.COM" FROM "1-14465871-1" WHERE "Unix shell" = 'echo';

Question: If Powershell (alias) is cpi, copy, cp, what are all corresponding descriptions. 
SQL: SELECT "Description" FROM "1-14465871-1" WHERE "PowerShell (Alias)" = 'cpi, copy, cp';

Question: When the cmd.exe / command.com is type, what are all associated values for powershell (cmdlet)?
SQL: SELECT "PowerShell (Cmdlet)" FROM "1-14465871-1" WHERE "CMD.EXE / COMMAND.COM" = 'type';

Question: How many values of powershell (cmdlet) are valid when unix shell is env, export, set, setenv?
SQL: SELECT COUNT("PowerShell (Cmdlet)") FROM "1-14465871-1" WHERE "Unix shell" = 'env, export, set, setenv';