“沙盒”的版本间的差异
来自Ubuntu中文
小 （以“These definitions are used throughout the remainder of this manual. POSIX : A family of open system standards based on Unix. Bash is primarily concerned with the Shell and U...”替换内容） |
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POSIX | POSIX | ||
: A family of open system standards based on Unix. Bash is primarily concerned with the Shell and Utilities portion of the POSIX 1003.1 standard. | : A family of open system standards based on Unix. Bash is primarily concerned with the Shell and Utilities portion of the POSIX 1003.1 standard. | ||
| + | |||
| + | blank | ||
| + | : A space or tab character. | ||
| + | |||
| + | builtin | ||
| + | : A command that is implemented internally by the shell itself, rather than by an executable program somewhere in the file system. | ||
| + | |||
| + | control operator | ||
| + | : A token that performs a control function. It is a newline or one of the following: ‘||’, ‘&&’, ‘&’, ‘;’, ‘;;’, ‘|’, ‘|&’, ‘(’, or ‘)’. | ||
| + | |||
| + | exit status | ||
| + | : A unit of text that is the result of one of the shell expansions. After expansion, when executing a command, the resulting fields are used as the command name and arguments. | ||
| + | |||
| + | field | ||
| + | : A unit of text that is the result of one of the shell expansions. After expansion, when executing a command, the resulting fields are used as the command name and arguments. | ||
| + | |||
| + | filename | ||
| + | : A string of characters used to identify a file. | ||
| + | |||
| + | job | ||
| + | : A set of processes comprising a pipeline, and any processes descended from it, that are all in the same process group. | ||
| + | |||
| + | job control | ||
| + | : A mechanism by which users can selectively stop (suspend) and restart (resume) execution of processes. | ||
| + | |||
| + | metacharacter | ||
| + | : A character that, when unquoted, separates words. A metacharacter is a blank or one of the following characters: ‘|’, ‘&’, ‘;’, ‘(’, ‘)’, ‘<’, or ‘>’. | ||
2016年6月24日 (五) 17:02的版本
These definitions are used throughout the remainder of this manual.
POSIX
- A family of open system standards based on Unix. Bash is primarily concerned with the Shell and Utilities portion of the POSIX 1003.1 standard.
blank
- A space or tab character.
builtin
- A command that is implemented internally by the shell itself, rather than by an executable program somewhere in the file system.
control operator
- A token that performs a control function. It is a newline or one of the following: ‘||’, ‘&&’, ‘&’, ‘;’, ‘;;’, ‘|’, ‘|&’, ‘(’, or ‘)’.
exit status
- A unit of text that is the result of one of the shell expansions. After expansion, when executing a command, the resulting fields are used as the command name and arguments.
field
- A unit of text that is the result of one of the shell expansions. After expansion, when executing a command, the resulting fields are used as the command name and arguments.
filename
- A string of characters used to identify a file.
job
- A set of processes comprising a pipeline, and any processes descended from it, that are all in the same process group.
job control
- A mechanism by which users can selectively stop (suspend) and restart (resume) execution of processes.
metacharacter
- A character that, when unquoted, separates words. A metacharacter is a blank or one of the following characters: ‘|’, ‘&’, ‘;’, ‘(’, ‘)’, ‘<’, or ‘>’.
