Co robi HOST użycie. Konsola addresses or hostnames; host converts IP addresses to hostnames by.

Czy przydatne?

Polecenie host

Wykonanie, użycie: System administration command. Print information about hosts or zones in DNS. Hosts may be IP addresses or hostnames; host converts IP addresses to hostnames by default and appends the local domain to hosts without a trailing dot. Default servers are determined in /etc/resolv.conf. For more information about hosts and zones, read Chapters 1 and 2 of DNS and BIND (O'Reilly)

Opcje wykonania host w konsoli

-a

Same as -t ANY.

 -c class

Search for specified resource record class (IN, CH, CHAOS, HS, HESIOD, or ANY). Default is IN.

 -d

Verbose output. Same as -v.

 -l

List mode. This also performs a zone transfer for the named zone. Same as -t AXFR.

 -n

Perform reverse lookups for IPv6 addresses using IP6.INT domain and "nibble" labels instead of IP6.ARPA and binary labels.

 -r

Do not ask contacted server to query other servers, but require only the information that it has cached.

 -t type

Look for type entries in the resource record. type may be any recognized query type, such as A, AXFR, CNAME, NS, SOA, SIG, or ANY. If name is a hostname, host will look for A records by default. If name is an IPv4 or IPv6 address, it will look for PTR records.

 -v

Verbose. Include all fields from resource record, even time-to-live and class, as well as "additional information" and "authoritative nameservers" (provided by the remote nameserver).

 -w

Never give up on queried server.

 -C

Display SOA records from all authoritative nameservers for the specified zone.

 -N n

Consider names with fewer than n dots in them to be relative. Search for them in the domains listed in the search and domain directives of /etc/resolv.conf. The default is usually 1.

 -R n

Retry query a maximum of n times. The default is 1.

 -T

Use TCP instead of UDP to query nameserver. This is implied in queries that require TCP, such as AXFR requests.

 -W n

Wait a maximum of n seconds for reply.

Przykłady host działanie w Słownik polecenie H

Przykład HOST użycie :
Jak użyć Print the first few lines (default is 10) of one or more files . If files is missing or -, read from standard input. With more than one file, print a header for each file co znaczy.
Przykład HOST użycie :
Jak użyć System administration command: turns off the computer. Insert a note in the file /var/log/wtmp ; if the system is in runlevel 0 or 6, stop all processes; otherwise, call shutdown -h krzyżówka.
Przykład HOST użycie :
Jak użyć administration command. Read or set the hardware clock. This command maintains change information in /etc/adjtime , which can be used to adjust the clock based on how much it drifts over time co to jest.
Przykład HOST użycie :
Jak użyć System administration command. Read or set the hard drive parameters. This command can be used to tune hard drive performance; it is mostly used with IDE drives, but can also be used with SCSI drives słownik.
Przykład HOST użycie :
Jak użyć Display specified file or input in hexadecimal, octal, decimal, or ASCII format. Option flags are used to specify the display format czym jest.