Uruchomienie, wykonanie: test expression [expression]
Jak działa TEST, co robi TEST: 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
Dostępne opcje, wywołanie TEST:
- Co znaczy :
- Definicja files , update the access time and modification time (and dates) to the current time and date. touch is useful in forcing other commands to handle files a certain way; for example, the operation of co znaczy.
- Co znaczy :
- Definicja Translate characters. Copy standard input to standard output, substituting characters from string1 to string2 , or deleting characters in string1 krzyżówka.
- Co znaczy :
- Definicja Trace path to host and report the Maximum Transmission Unit (MTU.) A simplified version of traceroute without options meant for use by unprivileged users. If specified, it will use port to send UDP co to jest.
- Co znaczy :
- Definicja Telnet protocol server. telnetd is invoked by the Internet server for requests to connect to the Telnet port (port 23 by default). telnetd allocates a pseudo-terminal device for a client, thereby słownik.
- Co znaczy :
- Definicja TCP/IP command. Monitor incoming TCP/IP requests (such as those for telnet , ftp , finger , exec , rlogin ). Provide checking and logging services; then pass the request to the appropriate daemon czym jest.
Użycie TEST zastosowanie komendy na linii poleceńw Słownik T .
