Unix Which of the following commands is used to update access and modification times of a file? wc cat touch grep wc cat touch grep ANSWER DOWNLOAD EXAMIANS APP
Unix The special shell variable $* is used to exit status of ast command executed. to name the command being executed to process number of the current shell None of these to list the positional parameters to exit status of ast command executed. to name the command being executed to process number of the current shell None of these to list the positional parameters ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following is not a communication command. write mail mesg grep write mail mesg grep ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to terminate all processes in your own system except the login shell? kill 0 None of these kill 1 cancel all cancel 1 kill 0 None of these kill 1 cancel all cancel 1 ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following directories contain all the Alias created by a user, including his login directory? /usr /tmp /dev /etc /usr /tmp /dev /etc ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to copy directory structures in and out cp - p None of these cp copy cpio cp - p None of these cp copy cpio ANSWER DOWNLOAD EXAMIANS APP
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