telnet1
User interface to telnet
Usage
telnet [OPTION ...]
[HOST
[PORT]]
Overview
Login to remote system HOST (optionally, on service port PORT)
-
General options:
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-4, --ipv4 -
use only IPv4
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-6, --ipv6 -
use only IPv6
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-8, --binary -
use an 8-bit data transmission
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-a, --login -
attempt automatic login
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-b, --bind=ADDRESS -
bind to specific local ADDRESS
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-c, --no-rc -
do not read the user's .telnetrc file
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-d, --debug -
turn on debugging
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-e, --escape=CHAR -
use CHAR as an escape character
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-E, --no-escape -
use no escape character
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-K, --no-login -
do not automatically login to the remote system
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-l, --user=USER -
attempt automatic login as USER
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-L, --binary-output -
use an 8-bit data transmission for output only
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-n, --trace=FILE -
record trace information into FILE
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-r, --rlogin -
use a user-interface similar to rlogin
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-?, --help -
give this help list
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--usage -
give a short usage message
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-V, --version -
print program version
Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.
Releases
7 releases since Debian 1.1 (Buzz); the text changed 4 times.
--binary since Arch Linux 2026-11-01;
--binary-output since Arch Linux 2026-11-01;
--bind since Arch Linux 2026-11-01;
--debug since Arch Linux 2026-11-01;
--escape since Arch Linux 2026-11-01;
--help since Arch Linux 2026-11-01;
--ipv4 since Arch Linux 2026-11-01;
--ipv6 since Arch Linux 2026-11-01;
--login since Arch Linux 2026-11-01;
--no-escape since Arch Linux 2026-11-01;
--no-login since Arch Linux 2026-11-01;
--no-rc since Arch Linux 2026-11-01;
--rlogin since Arch Linux 2026-11-01;
--trace since Arch Linux 2026-11-01;
--usage since Arch Linux 2026-11-01;
--user since Arch Linux 2026-11-01;
--version since Arch Linux 2026-11-01;
-4 since Arch Linux 2026-11-01;
-6 since Arch Linux 2026-11-01;
-8 since Debian 1.2 (Rex);
-? since Arch Linux 2026-11-01;
-E since Debian 1.2 (Rex);
-K since Arch Linux 2026-11-01;
-L since Debian 1.2 (Rex);
-V since Arch Linux 2026-11-01;
-b since Arch Linux 2026-11-01;
-c since Arch Linux 2026-11-01;
-e since Debian 1.3 (Bo);
-r since Debian 1.2 (Rex).
-S until Debian 2.2 (Potato);
-X until Debian 1.2 (Rex);
-input until Debian 2.2 (Potato);
-output until Debian 2.2 (Potato);
-x until Debian 1.2 (Rex).