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Old 07-28-2004, 12:05 PM   #1
Registered: Jun 2004
Distribution: fedora core 1 and core 2
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what does \ do in a command?

You know how when you at the cli, and you type in a command and hit enter? well sometimes I hit the \ key as well as enter and it drops down to another line that starts with a ?. What is the function of that?
Old 07-28-2004, 12:43 PM   #2
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You use the backslash-enter key sequence to tell the shell you are giving it a multi-line command. The line starting with the question mark is just the shell's way of saying "Ok, gotcha... you need another line. Here's a very simple prompt so you can continue."
Old 07-28-2004, 01:12 PM   #3
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backslash is a special key, its use means take the next key as its ascii value, NOT its assigned function..

for example. in C++.. here is a hello world program.

cout << "Hello World";

but what if you wanted cout to print the character [ " ]

cout << " She said "You Smell !" ";
COMPILE error. !!!!

so you would use

cout << " She said \"You Smell !\" ";

the same thing is used to put spaces in file names (in command line)

Last edited by qwijibow; 07-28-2004 at 01:13 PM.
Old 07-28-2004, 01:21 PM   #4
Registered: Jun 2004
Distribution: fedora core 1 and core 2
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Ahh i gotcha thanks.


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