Random.sh is not a shell script file. Linux does not use extensions to determine file types. It is a text file, possibly containing assorted shell commands. Might be executable, might be empty, but xdg-open should open it as a text file. Unless, of course, you have managed to create a association to execute it. – PaulPedant Jan 28 '20 at 16:49.
Author's Note
Terminal-Plus is a terminal package for Atom, complete with themes and more.
Nucleus Dark UI with Atom Material Syntax and our Homebrew theme.
Usage
Terminal-Plus stays in the bottom of your editor while you work.
Status BarAdd Text To File In Terminal LinuxYou can keep track of terminal instances via the status bar. Each terminal has a status icon ( ) in the status bar. The ( ) button creates a new terminal, while the ( ) button closes all terminals.
Click on a status icon to toggle that terminal. Right click the status icon for a list of available commands. From the right-click menu you can color code the status icon as well as hide or close the terminal instance.
Terminal
You can open the last active terminal with the
terminal-plus:toggle command (Default:ctrl-` ). If no terminal instances are available, then a new one will be created. The same toggle command is used to hide the currently active terminal.
From there you can begin typing into the terminal. By default the terminal will change directory into the project folder if possible. The default working directory can be changed in the settings to the home directory or to the active file directory.
See available commands below.
FeaturesFull Terminal
Every terminal is loaded with your system’s default initialization files. This ensures that you have access to the same commands and aliases as you would in your standard terminal.
Themes
The terminal is preloaded with several themes that you can choose from. Not satisfied?
Use the following template in your stylesheet: Process Titles
By hovering over the terminal status icon, you can see which command process is currently running in the terminal.
Terminal Naming
Need a faster way to figure out which terminal is which? Name your status icons!
Available via the status icon context menu.
Color Coding
Color code your status icons!
The colors are customizable in the settings, however the color names remain the same in the context menu.
SortingAdd Text To File In Terminal Download
Organize your open terminal instances by dragging and dropping them.
Resizable
You can resize the view vertically, or just maximize it with the maximize button.
Working Directory
You can set the default working directory for new terminals. By default this will be the project folder.
File Dropping
Dropping a file on the terminal will insert the file path into the input. This works with external files, tabs from the Atom tab-view, and entries from the Atom tree-view.
Insert Selected Text
Insert and run selected text from your text editor by running the
terminal-plus:insert-selected-text command (ctrl-enter ).
If you have text selected, it will insert your selected text into the active terminal and run it.
If you don't have text selected it, will run the text on the line where your cursor is then proceed to the next line. Quick Command Insert
Quickly insert a command to your active terminal by executing the
terminal-plus:insert-text command.
A dialog will pop up asking for the input to insert. If you have the
Run Inserted Text option enabled in the settings (default is false), Terminal-Plus will automatically run the command for you.
Support for Special Keys
Support for IME, dead keys and other key combinations via the
Insert Text dialog box. Just click the keyboard button in the top left of the terminal or set up a keymap to the terminal-plus:insert-text command.
Note: Make sure you have the
Run Inserted Command toggle off otherwise it will run your inserted text.
Map Terminal To
Map your terminals to each file or folder you are working on for automatic terminal switching.
FileFolder
Toggling the
Auto Open a New Terminal (For Terminal Mapping) option will have the mapping create a new terminal automatically for files and folders that don't have a terminal. The toggle is located right under the Map Terminals To option.
Install
Ready to install?
You can install via apm:
apm install terminal-plus
Or navigate to the install tab in Atom’s settings view, and search for
terminal-plus .
Commands
To-Do List
See also section Some Details on How Terminals Work
Each terminal is connected to a serial port on the host computer(often just a PC). The ports have names/numbers. The first few are:ttyS0, ttyS1, ttyS2, etc.
These are represented by special files found in the /dev (device)directory. ttyS0) corresponds to COM1 in DOS or Windows. ttyS1) isCOM2, etc. See Terminal Special Files fordetails on these and related 'devices'.
When the host computer starts up it runs the program getty. Thegetty program runs the 'login' program to log people in. See Getty (used in /etc/inittab). A 'login:' promptappears on the screen. People at the terminals and/or console log in(after giving their passwords) and then have access to the computer.When it's time to shut the terminal down, everyone must log off and(and power off their terminal). See Login Restrictions regarding restricting logins (including allowing theroot user to log in at terminal).
If one watches someone typing at a terminal, the letters onetypes simultaneously appear on the screen. A naive person might thinkthat what one types is being sent directly from the keyboard to thescreen with a copy going to the computer (half-duplex like, see nextparagraph). What is usually going on is that what is typed at thekeyboard is directly sent only to the host computer which in turnechoes back to the terminal each character it receives (calledfull-duplex). In some cases (such as passwords or terse editorcommands) the typed letters are intentionally not echoed back.
Full-duplex means that there are two (dual) one-way communicationlinks. Full-duplex is the norm for terminals. Half-duplex is half ofa duplex, meaning that there is only a single one-way communicationlink. This link must be shared by communications going in bothdirections and only one direction may be used at a time. In this casethe computer would not be able to echo the characters you type (andsend to it) so the terminal would need to also send each character youtype directly to the terminal screen. Some terminals have ahalf-duplex mode of operation which is seldom used.
The image on a CRT tube will fade away almost instantly unless itis frequently redrawn on the screen by a beam of electrons shot ontothe face of the tube. Since text sent to a terminal needs to stay onthe screen, the image on the screen must be stored in the memory chipsof the terminal and the electron beam must repeatedly scan the screen(say 60 times per second) to maintain the image. See Terminal Memory Details for more details.
Find File Terminal
The terminal is under thecontrol of the computer. The computer not only sends the terminaltext to display on the screen but also sends the terminal commandswhich are acted on. These are Control Codes (bytes) and escape sequences. Forexample, the CR (carriage return) control code moves the cursor to theleft hand edge of the screen. A certain escape sequence (severalbytes where the first byte is the 'escape' control code) can move thecursor to the location on the screen specified by parameters placedinside the escape sequence.
The first terminals had only a few suchcommands but modern terminals have hundreds of them. The appearanceof the display may be changed for certain regions: such as bright,dim, underline, blink, and reverse video. A speaker in a terminalcan 'click' when any key is pressed or beep if a mistake has occurred.Function keys may be programmed for special meanings. Various fontsmay exist. The display may be scrolled up or down. Specified partsof the screen may be erased. Various types of flow control may beused to stop the flow of data when bytes are being sent to theterminal faster than the terminal can handle them. There are manymore as you will see from looking over an advanced terminal manual orfrom the Internet links Esc Sequence List
While terminalsmade for the US all used the same ASCII code for the alphabet (exceptfor IBM terminals which used EBCDIC), they unfortunately did not alluse the same escape sequences. This happened even after various ANSI(and ISO) standards were established since these standards were neverquite advanced enough. Furthermore, older terminals often lacked thecapabilities of newer terminals. This might cause problems. Forexample, the computer might send a terminal an escape sequence tellingit to split the screen up into two windows of specified size, notrealizing that the terminal was incapable of doing this.
To overcome these problems a database called 'termcap' (meaning'terminal capabilities') was established. Termcap was latersuperceded by 'terminfo'. This database resides in certain files onthe computer and has a section of it (sometimes a separate file) foreach model of terminal. For each model (such as VT100) a list ofcapabilities is provided including a list of certain escape sequencesavailable. For example blink=E5m means that to make the cursor startblinking the terminal must be sent: Escape 5 m. See Section Termcap and Terminfo (detailed) for moredetails. Application programs may utilize this database by callingcertain C-Library functions. One large set of such programs (over200) is named 'ncurses' and are listed in the manual page for'ncurses' which comes with a developer's ncurses package. There isalso a NCURSES-programming-HOWTO.
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The environment variable TERM is the type ofterminal Linux thinks you are using. Most application programs usethis to look up the capabilities in the terminfo database so TERMneeds to be set correctly. But there is more to a correct interfacethan the computer knowing about the capabilities of the terminal.
For bytes to flow from the computer to the terminal the terminal mustbe set to receive the bytes at the same baud rate (bits per second) asthey are sent out from the terminal. If the terminal is set toreceive at 19,200 baud and the computer sends out characters at 9600baud, only garbage (or perhaps nothing) will be seen on the screen.One selects the baud rate for a terminal (as well as many otherfeatures) from the terminals 'set-up' menus at the terminal. Mostterminals have a large number of options in their 'set-up' menus (seeTerminal Set-Up (Configure) Details). The computer serial port has options also and theseoptions must be set up in a compatible way (see Computer Set-Up (Configure) Details.
Most terminals today have more than one emulation (personality or'terminal mode'). The terminal model numbers of terminals formerlymade by DEC (Digital Equipment Corporation now Compaq) start with VT(e.g. VT100). Many other terminals which are not VT100 may be set upto emulate a VT100. Wyse was a major terminal manufacturer untilabout 2005. Most of their terminals can emulate various DEC terminalssuch at VT100 and VT220. Thus if you want to, say, use a VT320terminal you may either use a real VT320 in 'native' personality orpossibly use some other terminal capable of emulating a VT320.
Linux Add Text To File
The 'native' personalities usually have more capabilities so, otherthings being equal, 'native' is usually the best to use. But otherthings may not be equal. Since the Linux console emulates a VT102 ityou may want to have a terminal emulate this (or something close to itsuch as VT100). This will help insure that some programs that may nothandle terminals properly will still work OK on your terminal. Someprograms will assume that you are using a VT102 if the program can'tfind a terminfo for your terminal (or can't find a certaincapability). Thus the failure of a program to work correctly withyour non-vt102 terminal may well be your fault if you don't provide agood terminfo file for your terminal. Using 'native' and thenreporting any bugs will help discover and fix bugs which might nototherwise get detected.
The most common type of emulation is to use a PC like it was a vt100terminal (or the like). Programs loaded into the PC's memory do theemulation. In Linux (unless you're in X Window) the PC monitor(called the console) emulates a terminal of type 'Linux' (close tovt100). Even certain windows within X Window emulate terminals. SeeTerminal Emulation.
On a PC, the monitor is normally the console. It emulates aterminal of type 'Linux'. One logs on to it as a virtual terminal.See The Console. It receives messagesfrom the kernel regarding booting and shutdown progress. One may havethe messages that normally go to the console, go to the terminal. Toget this you must manually patch the kernel, except that for kernel2.2 (or higher) it is a 'make config' option. See Make a Serial Terminal the Console.
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