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Which one of the following is the correct syntax for performing substitution using sed? s /expr1/ expr2 b) sed s /expr1 expr2 c) sed s /expr1/ expr2/ flags d) sed s
Which is the correct syntax for sed on command line? ‘’ . b) sed ‘’ . c) sed ‘’ d) sed ‘’ .
Consider the following solution to the producer-consumer synchronization problem. The shared buffer size is ?. Three semaphores empty, full and mutex are defined with respective initial values of 0, ? and 1. Semaphore empty denotes the number of available slots in the buffer, for the consumer to read from. Semaphore denotes the number of available slots in the buffer, for the producer to write to. The placeholder variables, denoted by P, Q, R, and S, in the code below can be assigned either empty or full. The valid semaphore operations are: wait ( ) and signal ( ). Producer: Consumer: do {         wait (P) ;         wait (mutex) ;         //Add item to buffer         signal (mutex) ;         signal (Q) ; } while (1) ; do {          wait (R) ;          wait (mutex) ;          //Consume item from buffer          signal (mutex) ;          signal (S) ; } while (1) ;   Which one of the following assignments to P, Q, R and S will yield the correct solution?
Processes P1 and P2 have a producer-consumer relationship, communicating by the use of a set of shared buffers. P1: repeat                 Obtain a full buffer                 Empty it                 Return an empty buffer forever P2 P2P2: repeat             Obtain a full buffer             Empty it             Return an empty buffer          forever Increasing the number of buffers is likely to do which of the following? I. Increase the rate at which requests are satisfied (throughput) II. Decrease the likelihood of deadlock III. Increase the ease of achieving a correct implementation 
For the given syntax of sed, which among the following is not a correct option? General syntax of sed: /pattern/action
Read the following passage carefully and then choose the right word to complete the sentence that follows. Rockets are very expensive as it can be used only once. Appled scientists have therefore develped a reusable space craft called a space shuttle which takes off like a rocket; however, does no get destroyed as it returns to earth. It can also be used to lunch satellired into space, retrieve them from space if any repairing os required and allow around 8 scientists to crryout experiments in space. The space shuttle does not get.
Which among the following attempts to read up to count bytes into buffer starting at buffer, returning the number of bytes successfully read? buffer, int offset, int count) c) Void WriteByte(byte value) d) None of the mentioned
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: All Matter is Space. Some Mass is Matter. Conclusions: A. All Mass is Space. B. Some Mass is Space. C. Some Space is Mass. D. All Space is Mass. E. All Matter is Mass.
He maintains a clandestine link with the Education Adviser. This 'means he maintains a
He maintains a clandestine link with the godfather this means that he maintains-