The top of the HELP command output from RT-11SJ displayed on the VT100 If far more specific help is necessary than supplied by a software's built-in inside help, quite a few methods guidance a devoted exterior assist command" command (or identical), which accepts a command identify as calling parameter and will invoke an exterior aid method.

Conversely, 1 may need selections on the command line, which opens a dialog box. The latest Variation of 'Consider Command' has this feature. DBase used a dialog box to assemble command strains, which could possibly be additional edited right before use.

Command-line interpreters make it possible for people to concern different instructions in an exceptionally effective (and often terse) way. This needs the user to find out the names in the instructions as well as their parameters, and also the syntax of your language that is certainly interpreted.

Catenary techniques are suited to high-velocity operations Whilst uncomplicated wire units, which happen to be less expensive to develop and sustain, are popular on mild rail or tram (streetcar) lines, Particularly on city streets. These automobiles could be equipped with both a pantograph or trolley pole.

Through chilly or frosty climate, ice could coat overhead lines. This can result in poor electrical contact concerning the collector as well as overhead line, causing electrical arcing and electric power surges.

25 kV AC neutral zone in Romania Around the Pennsylvania Railroad, phase breaks were indicated by a position light sign deal with with all 8 radial positions with lenses and no Middle mild. When the section crack was Energetic (the catenary sections from stage), all lights were lit.

1300. This means "policy or list of insurance policies of a political faction" is 1892, American English, from notion of the procession of followers; This is actually the sense during the political bash line, and, deteriorated, it's the slang line that means "glib and plausible discuss meant to deceive."

The waves will have to travel speedier than the practice to stop developing standing waves, which could crack the wire. Tensioning the road makes waves travel faster, as well as minimizes sag from gravity.

The command line lets one to restrict readily available commands, including usage of advanced inner instructions. The Bourne shell and workalikes like Bash is usually run to read more be a restricted shell; among the other items, this prohibits the person from modifying the PATH ecosystem variable, to ensure if Route is set to incorporate only directories that have only permissible instructions, the consumer will only manage to run Those people commands.

Facts Standard's CLI below their RDOS, AOS, etc. functioning programs, in addition to the version of CLI that arrived with their Enterprise Basic, takes advantage of only / as being the switch character, is circumstance-insensitive, and permits area switches on some arguments to regulate the way They can be interpreted, such as MAC/U LIB/S A B C $LPT/L has the worldwide option U to your macro assembler command to append user symbols, but two regional switches, one to specify LIB must be skipped on pass 2 and one other to direct listing to your printer, $LPT.

Two overhead conductor rails for a similar keep track of. Remaining, 1,200 V DC for your Uetliberg railway (the pantograph is mounted asymmetrically to collect latest from this rail); ideal, 15 kV AC for the Sihltal railway Some railways utilized two or a few overhead strains, ordinarily to hold a few-section current.

The pulley can turn freely when the weights go up or down because the wires contract or extend. If pressure is misplaced the pulley falls again towards the mast, and among its teeth jams from the cease. This stops additional rotation, restrictions the hurt, and keeps the undamaged Element of the wire intact until eventually it may be repaired. Other devices use different braking mechanisms, generally with various more compact pulleys inside a block and deal with arrangement.

: a slim elongated mark drawn or projected: for instance a(1) : a circle of latitude or longitude on a map (two) : equator b : a mark (as on a map) recording a boundary, division, or contour c : any with the horizontal parallel strokes on the new music personnel on or in between which notes are put

In other cases, such a command interpreter can present a extremely customised user interface employing the user interface and input/output facilities of the language.