► When, and how often, to invoke depends on:
How often a deadlock is likely to occur?
How many processes will need to be rolled back?
► If detection algorithm is invoked arbitrarily, there may be many cycles in the resource graph and so we would not be able to tell which of the many deadlocked processes ?caused? the deadlock.
What is the meaning of $ sign in awk programming? a) the word following is the name of variable b) we are referring to a field or column in the current line c) $ sign is used for comment d) none of the mentioned
In awk program, the name of the array can not be same with the a) name of variable b) value of the array element c) both (a) and (b) d) none of the mentioned
RSTART is set by invoking the a) match function b) index function c) asort function d) split function
In awk, the built-in variable FS is a) input field seperator b) output field seperator c) record seperator d) subscript seperator
What is FNR? a) FNR is the current record number in the current file b) FNR is the number of fields in the current input record c) FNR is an array contains the value of environment d) none of the mentioned
Which statement skips over the rest of the loop body, causing the next cycle around the loop to begin immediately? a) continue b) break c) next d) none of the mentioned
If the argument is supplied to the exit statement a) its value is used as the exit status code for the awk process b) syntax error will generate c) exit returns status 0 d) exit returns status 1
Which statement instructs gawk to stop processing the current data file? a) next b) nextfile c) exit d) exitfile
The break statement a) jumps out of the innermost for loop b) jumps out of the innermost while loop c) jumps out of the innermost do-while loop d) all of the mentioned
The next statement a) immediately stops processing the current record b) go to the next record c) both (a) and (b) d) none of the mentioned
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