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z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

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dbx: tracei<br />

3. To trace each time the contents of memory location 0X20004020 change while<br />

the main procedure is active, enter:<br />

tracei 0x20004020 in main<br />

4. To trace at address 0x2d04567 only when thread $t2 reaches that address,<br />

enter:<br />

tracei at 0x2d04567 if $t2=$current<br />

Related Information<br />

The trace subcommand.<br />

unalias subcommand for dbx: Remove an alias<br />

Format<br />

unalias name<br />

Description<br />

The unalias subcommand removes the alias specified by the name argument.<br />

Usage Note<br />

The unalias subcommand can be run only while the dbx debug program is running.<br />

Example<br />

To remove an alias named printx, enter:<br />

unalias printx<br />

Related Information<br />

The alias subcommand.<br />

unset subcommand for dbx: Delete a variable<br />

Format<br />

unset name<br />

Description<br />

The unset subcommand deletes the dbx debug program variable associated with<br />

the name specified by the name argument.<br />

Usage Note<br />

The unset subcommand can be run only while the dbx debug program is running.<br />

Example<br />

To delete the variable inhibiting the display of floating-point registers, enter:<br />

unset $noflregs<br />

Related Information<br />

The set subcommand.<br />

up subcommand for dbx: Move the current function up the stack<br />

Format<br />

up [count]<br />

226 z/<strong>OS</strong> <strong>V1R9.0</strong> <strong>UNIX</strong> <strong>System</strong> <strong>Services</strong> <strong>Command</strong> Reference

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