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  2. echo (command) - Wikipedia

    en.wikipedia.org/wiki/Echo_(command)

    echo began within Multics.After it was programmed in C by Doug McIlroy as a "finger exercise" and proved to be useful, it became part of Version 2 Unix. echo -n in Version 7 replaced prompt, (which behaved like echo but without terminating its output with a line delimiter).

  3. List of POSIX commands - Wikipedia

    en.wikipedia.org/wiki/List_of_POSIX_commands

    Execute commands at a later time Version 7 AT&T UNIX awk: Text processing Mandatory Pattern scanning and processing language Version 7 AT&T UNIX basename: Filesystem Mandatory Return non-directory portion of a pathname; see also dirname Version 7 AT&T UNIX batch: Process management Mandatory Schedule commands to be executed in a batch queue bc ...

  4. List of GNU Core Utilities commands - Wikipedia

    en.wikipedia.org/wiki/List_of_GNU_Core_Utilities...

    This is a list of commands from the GNU Core Utilities for Unix environments. These commands can be found on Unix operating systems and most Unix-like operating systems. GNU Core Utilities include basic file, shell and text manipulation utilities. Coreutils includes all of the basic command-line tools that are expected in a POSIX system.

  5. Internet Control Message Protocol - Wikipedia

    en.wikipedia.org/wiki/Internet_Control_Message...

    The traceroute command can be implemented by transmitting IP datagrams with specially set IP TTL header fields, and looking for ICMP time exceeded in transit and destination unreachable messages generated in response. The related ping utility is implemented using the ICMP echo request and echo reply messages.

  6. List of TCP and UDP port numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_TCP_and_UDP_port...

    BlueMap, a 3D Minecraft web viewer and mapping tool 8102: Unofficial: SaltoSystems - Used for LocalIO-Bridge for USB-Devices 8111: Unofficial: JOSM Remote Control 8112: Unofficial: PAC Pacifica Coin 8116: Unofficial: Check Point Cluster Control Protocol 8118: Yes: Privoxy—advertisement-filtering Web proxy 8123 Unofficial: Polipo Web proxy ...

  7. Port scanner - Wikipedia

    en.wikipedia.org/wiki/Port_scanner

    Proxy scan - a proxy (SOCKS or HTTP) is used to perform the scan. The target will see the proxy's IP address as the source. This can also be done using some FTP servers. Idle scan - Another method of scanning without revealing one's IP address, taking advantage of the predictable IP ID flaw. CatSCAN - Checks ports for erroneous packets.

  8. Watch woman teach her horse Frank to give kisses in the most ...

    www.aol.com/watch-woman-teach-her-horse...

    A woman trained her horse, Frank, to give her little kisses. When he does, she gives him treats. He also obeys her command to follow and run with her! Watch this woman teach her owner the cutest ...

  9. Echo tools - Wikipedia

    en.wikipedia.org/?title=Echo_tools&redirect=no

    This page was last edited on 9 May 2014, at 09:58 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply ...