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 user. person is either the login name of someone on your own machine or user@host on another host. To talk to a user who is logged in more than once, use ttyname to indicate the appropriate terminal co to jest.
- 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 definicja.
- Co znaczy :
- Definicja See groff co znaczy.
- Co znaczy :
- Definicja administration command. Reads and manipulates packet capture files created by tcpdump -w . Based on timestamps, extract portions of or piece together files. Display all packets between the given słownik.
- Co znaczy :
- Definicja Trace route taken by packets to reach network host. traceroute attempts tracing by launching UDP probe packets with a small TTL (time-to-live), then listening for an ICMP time exceeded reply from a znaczenie.
Użycie TEST zastosowanie komendy na linii poleceńw Słownik T .
