Unix Which command is used to extract specific columns from the file? grep cut cat paste grep cut cat paste ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to count just the number of characters in a file? wc -c wc - 1 wc -w wc -r wc -c wc - 1 wc -w wc -r ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to locate all the .profile files in the system? None of these cd /.profile l -u .profile ls profile find /-name profile -print None of these cd /.profile l -u .profile ls profile find /-name profile -print 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? rm -r * rm *.* rm * rm all None of these rm -r * rm *.* rm * rm all None of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following special shell variables is used to process number of the last background job? $* $# $0 $! $* $# $0 $! ANSWER DOWNLOAD EXAMIANS APP
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