Closing Android settings doesn't work

[dzid26]

root@localhost:/data$ am force-stop com.android.settings
usage: am [subcommand] [options]
usage: am start [-D] [-N] [-W] [-P ] [--start-profiler ]
[--sampling INTERVAL] [-R COUNT] [-S]
[--track-allocation] [--user <USER_ID> | current]
am startservice [--user <USER_ID> | current]
am stopservice [--user <USER_ID> | current]
am broadcast [--user <USER_ID> | all | current]
am to-uri [INTENT]
am to-intent-uri [INTENT]
am to-app-uri [INTENT]

am start: start an Activity. Options are:
-D: enable debugging
-N: enable native debugging
-W: wait for launch to complete
--start-profiler : start profiler and send results to
--sampling INTERVAL: use sample profiling with INTERVAL microseconds
between samples (use with --start-profiler)
-P : like above, but profiling stops when app goes idle
-R: repeat the activity launch times. Prior to each repeat,
the top activity will be finished.
-S: force stop the target app before starting the activity
--track-allocation: enable tracking of object allocations
--user <USER_ID> | current: Specify which user to run as; if not
specified then run as the current user.
--stack <STACK_ID>: Specify into which stack should the activity be put.
am startservice: start a Service. Options are:
--user <USER_ID> | current: Specify which user to run as; if not
specified then run as the current user.

am stopservice: stop a Service. Options are:
--user <USER_ID> | current: Specify which user to run as; if not
specified then run as the current user.

am broadcast: send a broadcast Intent. Options are:
--user <USER_ID> | all | current: Specify which user to send to; if not
specified then send to all users.
--receiver-permission : Require receiver to hold permission.

am to-uri: print the given Intent specification as a URI.

am to-intent-uri: print the given Intent specification as an intent: URI.

am to-app-uri: print the given Intent specification as an android-app: URI.

specifications include these flags and arguments:
[-a ] [-d <DATA_URI>] [-t <MIME_TYPE>]
[-c [-c ] ...]
[-e|--es <EXTRA_KEY> <EXTRA_STRING_VALUE> ...]
[--esn <EXTRA_KEY> ...]
[--ez <EXTRA_KEY> <EXTRA_BOOLEAN_VALUE> ...]
[--ei <EXTRA_KEY> <EXTRA_INT_VALUE> ...]
[--el <EXTRA_KEY> <EXTRA_LONG_VALUE> ...]
[--ef <EXTRA_KEY> <EXTRA_FLOAT_VALUE> ...]
[--eu <EXTRA_KEY> <EXTRA_URI_VALUE> ...]
[--ecn <EXTRA_KEY> <EXTRA_COMPONENT_NAME_VALUE>]
[--eia <EXTRA_KEY> <EXTRA_INT_VALUE>[,<EXTRA_INT_VALUE...]]
(mutiple extras passed as Integer[])
[--eial <EXTRA_KEY> <EXTRA_INT_VALUE>[,<EXTRA_INT_VALUE...]]
(mutiple extras passed as List)
[--ela <EXTRA_KEY> <EXTRA_LONG_VALUE>[,<EXTRA_LONG_VALUE...]]
(mutiple extras passed as Long[])
[--elal <EXTRA_KEY> <EXTRA_LONG_VALUE>[,<EXTRA_LONG_VALUE...]]
(mutiple extras passed as List)
[--efa <EXTRA_KEY> <EXTRA_FLOAT_VALUE>[,<EXTRA_FLOAT_VALUE...]]
(mutiple extras passed as Float[])
[--efal <EXTRA_KEY> <EXTRA_FLOAT_VALUE>[,<EXTRA_FLOAT_VALUE...]]
(mutiple extras passed as List)
[--esa <EXTRA_KEY> <EXTRA_STRING_VALUE>[,<EXTRA_STRING_VALUE...]]
(mutiple extras passed as String[]; to embed a comma into a string,
escape it using ",")
[--esal <EXTRA_KEY> <EXTRA_STRING_VALUE>[,<EXTRA_STRING_VALUE...]]
(mutiple extras passed as List; to embed a comma into a string,
escape it using ",")
[-f ]
[--grant-read-uri-permission] [--grant-write-uri-permission]
[--grant-persistable-uri-permission] [--grant-prefix-uri-permission]
[--debug-log-resolution] [--exclude-stopped-packages]
[--include-stopped-packages]
[--activity-brought-to-front] [--activity-clear-top]
[--activity-clear-when-task-reset] [--activity-exclude-from-recents]
[--activity-launched-from-history] [--activity-multiple-task]
[--activity-no-animation] [--activity-no-history]
[--activity-no-user-action] [--activity-previous-is-top]
[--activity-reorder-to-front] [--activity-reset-task-if-needed]
[--activity-single-top] [--activity-clear-task]
[--activity-task-on-home]
[--receiver-registered-only] [--receiver-replace-pending]
[--receiver-foreground] [--receiver-no-abort]
[--receiver-include-background]
[--selector]
[ | | ]

Error: unknown command 'force-stop'

[Jon8RFC]

1. Type su and hit ENTER
2. Type am force-stop com.android.settings and hit ENTER
3. Type exit and hit ENTER