Unix Which command is used to extract specific columns from the file? grep paste cut cat grep paste cut cat ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to print a file? prn pg lp print prn pg lp print ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to remove a directory? rd dldir rdir rmdir rd dldir rdir rmdir 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 of the following commands is used to obtain a list of all files by modification time? ls -R ls -i ls -t ls -1 ls -R ls -i ls -t ls -1 ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to copy a file wb with the same name from the programs directory to the misc directory? None of these copy programs/wb misc/wb cp programs/wb misc tar programs/wb misc/wb copy a:programs/wb b:misc/wb None of these copy programs/wb misc/wb cp programs/wb misc tar programs/wb misc/wb copy a:programs/wb b:misc/wb ANSWER DOWNLOAD EXAMIANS APP
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