Unix Which of the following command addresses all users who are currently hooked on? wall mail write mesg wall mail write mesg ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to count just the number of characters in a file? wc - 1 wc -r wc -c wc -w wc - 1 wc -r wc -c wc -w ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following keys is used to replace a single character with new text? R r S s R r S s ANSWER DOWNLOAD EXAMIANS APP
Unix Which option will be used with sort command to start sorting ofter the nth column of the (m+l)th field? #NAME? None of these +(m+l).n kill #NAME? None of these +(m+l).n kill 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
Unix Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories? None of these rm -r * rm * rm *.* rm all None of these rm -r * rm * rm *.* rm all ANSWER DOWNLOAD EXAMIANS APP
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