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OSA: MOUNT & UNMOUNT

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while(true) do echo    "  MENU ------------------------------------------------------------------------------         1)Display mounted devices 2)Mount a device 3)Unmount a device 4)See physical name and instance number 5)Exit" read choice case $choice in 1) echo "Mounted devices are -> " mount ;; 2) echo " MOUNT ------------------------------------------------------------------------------- Enter the name of device -> " read name    echo "Enter the mount point -> " read point mount $name $point echo "the device has been mounted successfully" ;; 3) echo " Unmount ------------------------------------------------------------------------------- enter source of device ->" read devsource umount -f  $devsource echo "the device has been unmounted successfully" ;; 4) echo " Physical name and instance number --------------------------------------...
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MA: Assembler

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An assembly language is a low-level programming language for a computer , or other programmable device, in which there is a very strong (generally one-to-one ) correspondence between the language and the architecture's machine code instructions . Each assembly language is specific to a particular computer architecture, in contrast to most high-level programming languages , which are generally portable across multiple architectures, but require interpreting or compiling . Assembly language is converted into executable machine code by a utility program referred to as an assembler ; the conversion process is referred to as assembly , or assembling the code. Assembler An assembler is a program which creates object code by translating combinations of mnemonics and syntax for operations and addressing modes into their numerical equivalents. This representation typically includes an operation code (" opcode ") as well as other control bits . [ 1 ] The assembl...
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Rules for drawing a FLOWCHART

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Terminator All flowcharts start and end with the terminator or terminal shape. This is a rounded rectangle and is shown below. You use this same shape for both the start and the end. You will see some charts with slightly different terminal shapes. For example, sometimes an oval is used. This is because there is no golden standard for flowcharting. Different companies and different technical areas use different shapes. There are a few basic rules and, beyond that, you can create your own rules for your organization. If you add your own shapes, it is important that you explain what they are used for, so others can understand your chart. Just click on the terminator shape in the stencil and then type in the text.   To read a flowchart, you follow the arrows from shape to shape. To draw a line in RFFlow, click on the line in the stencil at the left and then drag the mouse to draw the line in your chart. It is faster to place all your shapes first and t...
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