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Computer Science Fundamentals Questions - Operating Systems

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If one doesn't want anyone else to read or write to a file named datfile, except through a program in a file filex , then he may use
Computer Science Fundamentals Operating Systems Objective
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/bin/passwd has the user execution permission set to 's' because
Computer Science Fundamentals Operating Systems Objective
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The permission bits of a file noname. can be set to _rws_  _x_  _x  by the command.
Computer Science Fundamentals Operating Systems Objective
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The default permission bits of a file when it is created for the first time, is controlled by
Computer Science Fundamentals Operating Systems Objective
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Consider the program main ( ) { printf("He arose a victor from\n"); system ("date") ; printf("the dark domain"); }...
Computer Science Fundamentals Operating Systems Objective
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Which of the following remarks about realloc are  true?
Computer Science Fundamentals Operating Systems Objective
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To allow only one user to work with a particular file at a particular time, one has to use
Computer Science Fundamentals Operating Systems Objective
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Files that store data in the same format as used in program are called
Computer Science Fundamentals Operating Systems Objective
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Choose the incorrect statements
Computer Science Fundamentals Operating Systems Objective
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Shell script is preferable to other forms of programming because it
Computer Science Fundamentals Operating Systems Objective
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Which of the following file names can be found in more than one directoy?
Computer Science Fundamentals Operating Systems Objective
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If cat x. prints garbage. then x is probably a
Computer Science Fundamentals Operating Systems Objective
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The file that stores an integer as a sequence of characters is a
Computer Science Fundamentals Operating Systems Objective
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The differences between malloc( ) and calloc() are:
Computer Science Fundamentals Operating Systems Objective
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Redirection in pipes can be achieved by using
Computer Science Fundamentals Operating Systems Objective
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