The National Trails System is a series of trails in the United States designated "to promote the preservation of, public access to, travel within, and enjoyment and appreciation of the open-air, outdoor areas and historic resources of the Nation". There are four types of trails: the national scenic trails, national historic trails, national recreation trails, and connecting or side trails.

gnuplot is a command-line and GUI program that can generate two- and three-dimensional plots of functions, data, and data fits.The program runs on all major computers and operating systems (Linux, Unix, Microsoft Windows, macOS, FreeDOS, and many others). Originally released in 1986, its listed authors are Thomas Williams, Colin Kelley, Russell Lang, Dave Kotz, John …

rm (short for remove) is a basic command on Unix and Unix-like operating systems used to remove objects such as computer files, directories and symbolic links from file systems and also special files such as device nodes, pipes and sockets, similar to the del command in MS-DOS, OS/2, and Microsoft Windows.The command is also available in the EFI shell.

grep is a command-line utility for searching plain-text data sets for lines that match a regular expression.Its name comes from the ed command g/re/p (globally search for a regular expression and print matching lines), which has the same effect. grep was originally developed for the Unix operating system, but later available for all Unix-like systems and some others such as OS-9.

The GNU Binutils are typically used in conjunction with compilers such as the GNU Compiler Collection (gcc), build tools like make, and the GNU Debugger (gdb). Through the use of the Binary File Descriptor library (libbfd), most tools support the various object file formats supported by libbfd. Commands. The binutils include the following commands:

In computing, gettext is an internationalization and localization (i18n and l10n) system commonly used for writing multilingual programs on Unix-like computer operating systems.One of the main benefits of gettext is that it separates programming from translating. The most commonly used implementation of gettext is GNU gettext, released by the GNU Project in 1995.

gzip（ジー・ジップ）は、データ圧縮 プログラムのひとつ、およびその圧縮データのフォーマットである。 「GNU zip」の略であり GNUプロジェクトによって開発・メンテナンスされている。 現在、多くのUNIXに標準搭載される。. それ以前に普及していたcompressの圧縮アルゴリズムはLZWだが、LZWは ...

Jul 14, 2019 · Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. Audacity is free software, developed by a group of volunteers and distributed under the GNU General Public License (GPL). Programs like Audacity are also called open source software, because their source code is ...

Universal Software Radio Peripheral (USRP) is a range of software-defined radios designed and sold by Ettus Research and its parent company, National Instruments.Developed by a team led by Matt Ettus, the USRP product family is commonly used by research labs, universities, and hobbyists.. Most USRPs connect to a host computer through a high-speed link, which the host …

GNU GRUB, the GNU project's bootloader software; Grub (search engine), a distributed search crawler platform; Other uses. The Grubs are Zurg's henchmen in Buzz Lightyear of Star Command; Grub Street, the former name of a London street, which became a metonym for hack writers; See also. Grubb; Grubbs (disambiguation)