Red Hat SummitChapter 21. shell
21.1. shell:completion
21.1.1. Description
Display or change the completion mode on the current console session.
21.1.2. Syntax
shell:completion [options] [mode]
21.1.3. Arguments
| Name | Description |
|---|---|
| mode | The completion mode to set. The valid completion modes are: global, first, subshell. |
21.1.4. Options
| Name | Description |
|---|---|
| --help | Display this help message |
21.2. shell:exec
21.2.1. Description
Executes system processes.
21.2.2. Syntax
shell:exec [options] command
21.2.3. Arguments
| Name | Description |
|---|---|
| command | Execution command with arguments |
21.2.4. Options
| Name | Description |
|---|---|
| --help | Display this help message |
21.3. shell:info
21.3.1. Description
Prints system information.
21.3.2. Syntax
shell:info [options]
21.3.3. Options
| Name | Description |
|---|---|
| --help | Display this help message |
| --memory-pools, -mp | Includes detailed information about memory pools |
21.4. shell:java
21.4.1. Description
Executes a Java standard application.
21.4.2. Syntax
shell:java [options] className [arguments]
21.4.3. Arguments
| Name | Description |
|---|---|
| className | The name of the class to invoke |
| arguments | Arguments to pass to the method of the given class |
21.4.4. Options
| Name | Description |
|---|---|
| --help | Display this help message |
| -m, --method | Invoke a named method |
21.5. shell:logout
21.5.1. Description
Disconnects shell from current session.
21.5.2. Syntax
shell:logout [options]
21.5.3. Options
| Name | Description |
|---|---|
| --help | Display this help message |
21.6. shell:printf
21.6.1. Description
Formats and prints arguments.
21.6.2. Syntax
shell:printf [options] format arguments
21.6.3. Arguments
| Name | Description |
|---|---|
| format | The format pattern to use |
| arguments | The arguments for the given format pattern |
21.6.4. Options
| Name | Description |
|---|---|
| --help | Display this help message |
21.7. shell:source
21.7.1. Description
Run a script
21.7.2. Syntax
shell:source [options] script [args]
21.7.3. Arguments
| Name | Description |
|---|---|
| script | A URI pointing to the script |
| args | Arguments for the script |
21.7.4. Options
| Name | Description |
|---|---|
| --help | Display this help message |
21.8. shell:stack-traces-print
21.8.1. Description
Prints the full stack trace in the console when the execution of a command throws an exception.
21.8.2. Syntax
shell:stack-traces-print [options] [print]
21.8.3. Arguments
| Name | Description |
|---|---|
| | Print stack traces or not (defaults to true) |
21.8.4. Options
| Name | Description |
|---|---|
| --help | Display this help message |
21.9. shell:threads
21.9.1. Description
Prints the current threads (optionally with stacktraces)
21.9.2. Syntax
shell:threads [options] [id]
21.9.3. Arguments
| Name | Description |
|---|---|
| id | Show details for thread with this Id |
21.9.4. Options
| Name | Description |
|---|---|
| --tree | Display threads as a tree |
| --list | Display threads as a list |
| -e, --empty-groups | Show empty groups |
| --packages | Pruned packages |
| --help | Display this help message |
| --monitors | Display monitors |
| -t, --threshold | Minimal number of interesting stack trace line to display a thread |
| --locks | Display locks |
| --no-format | Disable table rendered output |
21.10. shell:ttop
21.10.1. Description
Display threads information
21.10.2. Syntax
shell:ttop [options]
21.10.3. Options
| Name | Description |
|---|---|
| --seconds, -s | Delay between updates in seconds |
| --order, -o | Comma separated list of sorting keys |
| --millis, -m | Delay between updates in milliseconds |
| --nthreads, -n | Only display up to NTHREADS threads |
| --help | Display this help message |
| --stats, -t | Comma separated list of stats to display |
21.11. shell:watch
21.11.1. Description
Watches & refreshes the output of a command
21.11.2. Syntax
shell:watch [options] command
21.11.3. Arguments
| Name | Description |
|---|---|
| command | The command to watch / refresh |
21.11.4. Options
| Name | Description |
|---|---|
| --help | Display this help message |
| -n, --interval | The interval between executions of the command in seconds |
| -a, --append | The output should be appended but not clear the console |
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