Co robi TEST użycie. Konsola nonzero exit status. In shell scripts, you can use the alternate form.

Czy przydatne?

Polecenie test

Wykonanie, użycie: Evaluate an expression and, if its value is true, return a zero exit status; otherwise, return a nonzero exit status. In shell scripts, you can use the alternate form [expression] . This command is generally used with conditional constructs in shell programs. Also exists as a built-in in most shells

Opcje wykonania test w konsoli

Przykłady test działanie w Słownik polecenie T

Przykład TEST użycie :
Jak użyć restore files from an archive medium. If any files are directories, tar acts on the entire subtree. Options need not be preceded by - (though they may be). The exception to this rule is when you are co znaczy.
Przykład TEST użycie :
Jak użyć Provide information (frequently refreshed) about the most CPU-intensive processes currently running. You do not need to include a - before options. See ps for explanations of the field descriptors krzyżówka.
Przykład TEST użycie :
Jak użyć administration command. Recursively remove regular files and directories in directory with access times older than hours . Specify the directory as an absolute path. This command is usually invoked co to jest.
Przykład TEST użycie :
Jak użyć Display system load average in graph format. If tty is specified, print it to that terminal słownik.
Przykład TEST użycie :
Jak użyć common command cat , tac prints files in reverse to standard output. Without a filename or with - , it reads from standard input. By default, tac reverses the order of the lines, printing the last czym jest.