Options
The Korn shell has a number of options that specify your environment and control execution. They can be enabled/disabled with the set command or on the ksh command line.
Enabling/Disabling Options
| ksh [–/+options] | enable/disable specified options |
| set [–/+options] | enable/disable specified options |
List of Options
| –a | automatically export variables that are defined |
| –b | execute all background jobs at a lower priority |
| –c cmds | read and execute cmds (w/ksh only) |
| –e | execute ERR trap (if set) on non-zero exit status from any commands |
| –f | disable file name expansion |
| –h | make commands tracked aliases when first encountered |
| –i | execute in interactive mode (w/ksh only) |
| –k | put variable assignment arguments in environment |
| –m | enable job control (system ... |
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