Interactive command-line sessions: Just after launch, a program may well present an operator using an independent means to enter instructions.
25 kV AC neutral zone in Romania About the Pennsylvania Railroad, stage breaks were indicated by a situation mild signal face with all eight radial positions with lenses and no Centre light-weight. In the event the period split was active (the catenary sections from phase), all lights ended up lit.
This also experienced the advantage of low overhead, since lights and switches can be analyzed and set with a single machine instruction. Afterwards one program console was added to enable the operator to talk to the program.
Conversely, one particular might have selections within the command line, which opens a dialog box. The most up-to-date Model of 'Take Command' has this element. DBase utilized a dialog box to assemble command lines, which may very well be more edited before use.
Early functioning system CLIs had been carried out as Element of resident keep track of packages, and will not easily be replaced. The primary implementation with the shell as a replaceable component was Portion of the Multics time-sharing running process.[two] In 1964, MIT Computation Centre workers member Louis Pouzin made the RUNCOM Device for executing command scripts whilst allowing argument substitution.
absorption line agate line air line A-line alongside the line assembly line asymmetrical digital subscriber line asymmetric digital subscriber line interest line battle line belt line blank line blue line bottom line department line dazzling-line broke the colour line cell line central line chat line chat-up line chow line shade line colour line conga line contour line credit line cross the line cross the picket line day line drive line digital subscriber line dividing line dotted line attract a line attract the line drop (another person) a line end line drop into line tumble line fault line feed (someone) a line fantastic line ending line complete line fire line firing line 1st-line fishing line flight line foul line entrance line germ line get/have a line on aim line 50 percent line hard-line assist line maintain the road hook, line and sinker warm line inbounds line in-line in-line engine in-line skate according to in another person's line of sight international date line inside the firing line in the line of obligation into line isogonic line isometric line land line lateral line lay it at stake guide line ledger line leger line line Prepare dinner line dance line drawing line drive line engraving line graph line-haul line item line-merchandise veto line decide line of credit rating line of protection line of obligation line officer line of fire line of pressure line of reasoning line of scrimmage line of sight line of vision line of labor line a person's pockets line out line printer line rental line rating line squall line storm line up load line log line lubber line primary line early morning line number line off-line aged-line on Yet another line around the dotted line to the firing line outside of line overstep the mark/line panty line bash line picket line pickup line plumb line poverty line generation line punch line line网页版下载 receiving line rhumb line scrimmage line 2nd-line services line ship of the line brief line Siegfried line sight line indication within the dotted line snow line soft-line sounding line spectral line spring line starting off line static line stage out of line Tale line straight-line straight-line wind string line provide line take a organization line get/Keep to the route/line of the very least resistance tan line the tip of the line the Intercontinental date line the poverty line three-place line by means of line tie-line time line toe the road best line top rated-of-the-line tree line trunk line Wallace's line white line fret line garden line zip line Z line See Far more
a : a long slim mark (as a single made by a pencil) b : one of the horizontal traces on the music staff members c : the football gamers whose positions are alongside the line of scrimmage d : a gaggle of three gamers who Enjoy with each other as a device in hockey
In lots of parts of computing, but specifically during the command line, the Room character can cause troubles as it's got two distinct and incompatible capabilities: as A part of a command or parameter, or being a parameter or identify separator.
Command-line interpreters let users to challenge numerous instructions in a very productive (and infrequently terse) way. This needs the user to understand the names of the instructions as well as their parameters, along with the syntax in the language which is interpreted.
Considering that a lifeless area is usually useless, no Particular sign component was produced to alert drivers of its presence, along with a steel signal with "DS" in drilled-hole letters was hung through the catenary supports.
For bow collectors and pantographs, This really is finished by acquiring two Speak to wires run facet by aspect over the duration among 2 or four wire supports. A fresh one drops down plus the previous one rises up, letting the pantograph to easily transfer from a person to the opposite.
A command-line process may perhaps require paper or on the internet manuals to the consumer's reference, While often a assist alternative supplies a concise critique of the choices of the command. The command-line ecosystem may not provide graphical enhancements like various fonts or extended edit windows found in a GUI.
) or they offer just a short help on enable parameters with issue mark and an extended support screen for the opposite aid solutions.[32]
A CLI is utilised whenever a substantial vocabulary of instructions or queries, coupled with a broad (or arbitrary) selection of selections, is usually entered much more speedily as textual content than with a pure GUI. This is usually the situation with running procedure command shells.