Unix Which of the following keys is used to delete the character beneath the cursor? D None of these dd X x D None of these dd X x ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to extract specific columns from the file? grep cat paste cut grep cat paste cut ANSWER DOWNLOAD EXAMIANS APP
Unix The command to count the number of files in the current directory by using pipes, is ls | ws -c ls -l | wc -l ls | wc -w ls | wc ls | ws -c ls -l | wc -l ls | wc -w ls | wc ANSWER DOWNLOAD EXAMIANS APP
Unix The octal representation 652 indicates None of these Read and write permission of groups Execute permission for the owner All of these Write permission for others None of these Read and write permission of groups Execute permission for the owner All of these Write permission for others 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 The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is sort tee grep tr sort tee grep tr ANSWER DOWNLOAD EXAMIANS APP
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