# INQUIRE: SHARE Specifier

The SHARE specifier asks the current share status of a file or unit. It takes the following form:

SHARE = shr

shr | Is a scalar default character variable. On Windows* systems, this variable is assigned one of the following values:
'DENYRW' | If the file is connected for deny-read/write mode
'DENYWR' | If the file is connected for deny-write mode
'DENYRD' | If the file is connected for deny-read mode
'DENYNONE' | If the file is connected for deny-none mode
'UNKNOWN' | If the file or unit is not connected
On Linux* and macOS systems, this variable is assigned one of the following values:
'DENYRW' | If the file is connected for exclusive access
'DENYNONE' | If the file is connected for shared access
'NODENY' | If the file is connected with default locking
'UNKNOWN' | If the file or unit is not connected

Parent topic: INQUIRE Statement Specifiers