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8 votes
Accepted

Which command is used to clear terminal (output) window?

The shortcut Ctrl + L should do the job either.
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5 votes
Accepted

In the CS50 IDE is there a way to change all the names of one variable at once?

"Find"->"Replace" (or the corresponding Ctrl+H or Alt+Shift+F) would come close, performing simple text replacement. It has modes for matching whole words only, or using regular expressions.
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4 votes

Which command is used to clear terminal (output) window?

If you're using macOS you have to use ⌘ + k instead of the ctrl + k command which was suggested by a few other users :)
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2 votes

Which command is used to clear terminal (output) window?

clear word is used to clear the contents in the terminal window, although it does not literally clear things, scroll up to see the previous things inside the terminal.
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  • 3,316
1 vote

bash: clang: command not found

"after I press Run." This doesn't sound like you are using the CS50 IDE (http://cs50.io). Or, if you are, you may not have created it using the CS50 template. If you think that's the case, here ...
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1 vote

Any Master command in CS50 appliance Terminal to list all the commands available?

apropos is a commad to search for the appropiate command, for example apropos network will give you a list of commands related to that topic Other commands of interest are man, which and whereis ...
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  • 131
1 vote

Any Master command in CS50 appliance Terminal to list all the commands available?

"man man" will get you to the reference manuals and you can type "man (page you want)" to get more information on references. Happy coding :)
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1 vote

CS50 commands, standard commands - is there any literature and who did that?

Some of the "Shorts" in Week 0 and Week 1 dip a little into this (not much!) but they do provide a little insight into where you can go and do further research to find out the answers you may be ...
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1 vote

Which command is used to clear terminal (output) window?

If you want the screen to be cleared literally and want to keep the history of the commands too, then better use reset command.
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