Unix Which of the following signs is used to back up over typing errors in vi? ! $ # None of these @ ! $ # None of these @ ANSWER DOWNLOAD EXAMIANS APP
Unix The cat command is used to copy a file capture a file print a file display a file None of these copy a file capture a file print a file display a file None of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to update access and modification times of a file? cat wc touch grep cat wc touch grep ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following is not a communication command. mesg grep write mail mesg grep write mail ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to terminate a process? kill shutdown cancel haltsys kill shutdown cancel haltsys ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following special shell variables is used to process number of the current shell? $! None of these $$ $* $! None of these $$ $* ANSWER DOWNLOAD EXAMIANS APP
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