computer science

List of Inferno applications

List of Inferno applications is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand List of Inferno applications rather than just read about it. In short: This is a list of Inferno programs. Most of these programs are very similar to the Plan 9 applications or UNIX programs with the same name.

Key takeaways

List of Inferno applications belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect List of Inferno applications to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of List of Inferno applications from memory before moving on to harder problems.

Reference excerpt

This is a list of Inferno programs. Most of these programs are very similar to the Plan 9 applications or UNIX programs with the same name.

System software

General user dd – convert and copy a file date – print the date echo – print arguments emu – Inferno emulator mash – programmable shell ns – display current namespace nsbuild – build Inferno namespace os – interface to host OS commands (hosted Inferno only) plumb – send message to plumber plumber – plumber for interapplication message routing rcmd – remote command execution runas – run command as another user sh – command language tiny/sh – reduced command line interface to the Inferno system wm/logon – log on to Inferno wm/sh, wm/mash – Window frames for the Inferno shells wm/wm – window manager

System management

Processes and tasks management time – time command execution kill, broke – terminate processes sleep, pause – suspend execution for an interval ps – process (thread) status wm/task – graphical task manager

User management and support auth/passwd – change user password man, wm/man, man2txt, lookman – print or find manual pages

Files and text

Filesystem utilities chgrp – change file's group or owner chmod – change file mode (permissions) cp, fcp – copy files du – disk usage lc – list files in columns ls – list files mkdir – make a directory mv – move files bind, mount, unmount – change name space pwd – working directory rm – remove files touch – update the modification time of one or more files

Archivers and compression ar – archive maintainer gettar, lstar, puttar – tar archive utilities gzip, gunzip – compression and decompression utilities

Text processing cat – concatenate files cmp – compare two files diff – differential file comparator fmt – simple text formatter freq – print histogram of character frequencies grep – pattern matching p – paginate read – read from standard input with optional seek tail – deliver the last part of a file tcs – translate character sets tr – translate characters wc – count lines, words, and characters

Editors acme, win – interactive text windows, and an editor environment wm/brutus – screen editor with support for SGML vixen – a vi clone wm/edit – simple graphical text editor

Communication, networking and remote access telnet – make a remote telnet connection collab/connect – connect to collaborative files and services collab/chat, collab/poll, collab/poller, collab/whiteboard – collaborative activities cpu – execute a remote command wm/dmview, wm/dmwm – view remote displays wm/vncv – a VNC remote access tool [1] netstat – summarize network connections sendmail – send mail messages listen, styxlisten, dial – network connections

Grid computing grid/localreg – starts a registry on the local machine grid/srv/monitor – graphical display for viewing resource use. grid/srv/ns, grid/runns – exports a selected namespace and serves it on stdin. grid/query – graphical interface to view resources registered with a known registry grid/register – registers a resource with a known registry

Security crypt, auth/aescbc – data encryption auth/secstore – retrieve files from secure store auth/factotum, auth/feedkey – authentication agent idea – encrypt/decrypt a file with the IDEA cipher netkey – calculate response to authentication challenge

Programming tools asm, disdump – Assembler, Disassembler cprof, wm/cprof – coverage profiling of Limbo programs disdep – print load dependencies for Dis file wm/deb – graphical Limbo debugger limbo – Limbo compiler mk – maintain (make) related files mprof, wm/mprof – memory profiling Limbo programs prof, wm/prof – profiling Limbo programs stack – examine call stack yacc – yet another compiler-compiler (Limbo version) tclsh – a Tcl implementation. gitfs – an implementation of the git version control system. [2]

Application software

Web browsers charon – web browser webgrab – fetch web page content as files

Desktop publishing cook – SGML converter ebook/ebook – Open Ebook browser

Graphics and multimedia auplay, auhdr, raw2iaf, wav2iafew – basic audio output and conversion wm/view – picture viewer bolgia – an enhanced version of "view" picture viewer

Various utilities and games cal – print calendar wm/calendar – print upcoming events fortune – sample lines from a file wm/memory – memory monitor wm/about, wm/clock, wm/coffee, wm/colors, wm/date, wm/man, wm/polyhedra, wm/reversi, wm/rt, wm/stopwatch, wm/sweeper, wm/tetris, wm/unibrowse, wm/vt, wm/winctl – miscellaneous graphical applications

Worked examples

Example 1 — a first encounter with List of Inferno applications

Start with the simplest possible case. Write down what List of Inferno applications claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to List of Inferno applications before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about List of Inferno applications ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of List of Inferno applications

In research: List of Inferno applications appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses List of Inferno applications in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: List of Inferno applications is common in secondary-school and first-year university syllabi. It links to neighbouring topics Inferno (operating system), Lists of software, System administration, so understanding it makes those chapters shorter.
In everyday life: Look for List of Inferno applications outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study List of Inferno applications in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what List of Inferno applications means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain List of Inferno applications out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is List of Inferno applications in simple terms?

This is a list of Inferno programs. Most of these programs are very similar to the Plan 9 applications or UNIX programs with the same name.

Why does List of Inferno applications matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study List of Inferno applications?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on List of Inferno applications.