# jCL BO
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Tags: pointer buffer jcl
# Description
The command moves the active output buffer pointer back by one parameter. It takes the general form:
BO
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# Note #1
The buffer pointer will move backward until it finds a field mark or the start of the buffer. To completely clear the buffer, use the RO command. To clear specific parameters, use the MV #n command
# Example 1
| Command | POB Before | POB After |
| ------- | ---------- | --------- |
| BO | ABC^DEF^GHIJK | ABC^DEF^GHIJK |
| | ^| ^ |
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# Example 2
| Command | SOB Before | SOB After |
| ------- | ---------- | --------- |
| BO | SAVE-LIST | SAVE-LIST |
| | ^ | ^ |
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# Note #2
SOB - Secondary Output Buffer.
ack to jCL Commands