Host (Unix)

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host is a simple utility for performing Domain Name System lookups. It was developed by the Internet Systems Consortium (ISC), and is released under the ISC license, a permissive free software license.

The similar dig utility interrogates DNS servers directly for troubleshooting and system administration purposes.

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v t e Unix command-line interface programs and shell builtins

File system	cat cd chmod chown chgrp cksum cmp cp dd du df file fsck fuser ln ls mkdir mount mv pax pwd rm rmdir size split tee touch type umask

Processes	at bg chroot cron fg kill killall nice pgrep pidof pkill ps pstree time top

User environment	clear env exit finger history id logname mesg passwd su sudo uptime talk tput uname w wall who whoami write

Text processing	awk banner basename comm csplit cut diff dirname ed ex fmt fold head iconv join less more paste sed sort spell strings tail tr uniq vi wc xargs

Shell builtins	alias echo expr printf sleep test true and false unset wait yes

Networking	dig host ifconfig inetd netcat netstat nslookup ping rdate rlogin route ssh traceroute

Searching	find grep locate whatis whereis

Documentation	apropos help man

Miscellaneous	bc dc cal date lp lpr

List of Unix utilities

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