The clear command is a useful housekeeping utility for clearing the screen, but you can use a faster method. Describe this alternative method.
What will be an ideal response?
You can store the output of the clear command in a shell variable. The output of the clear command is a sequence of values that erases the contents of the screen. Storing these values in a variable and then echoing the contents of the variable on the screen accomplishes the same thing, but about 10 times faster.
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As a rule, walls _____ should be braced—particularly, long masonry walls that have not intersecting walls connected to them.
A. longer than 6' B. higher than 8' to 10' C. of double-thickness D. constructed below grade line
Discuss the efficiency of LEDs compared to CFL or incandescent lights.
What will be an ideal response?
Chromium carbides form when the metal is between ____ Fahrenheit.
A. 200° and 500º B. 500° and 800º C. 800° and 1500° D. 1500° and 2000°
¿Cuál de los siguientes tipos de conducto es demasiado delgado para roscarlo?
a. IMC b. EMT c. RMC d. Tubería de hierro negro