blank Give the sort option that sorts the a file in reverse order.  Modify the command : sort file1 > file.s _________
sort -r  file1 > file.s

blank Give the sort option that allows you to save the output under the original name without using redirection. _________
sort -o  file1 file1

blank Give the sort option that removes any duplicate lines once the data is sorted. Modify the command : sort file1 > file.s _________
sort -u file1 > file.s

blank Give the sort option that checks to see if the specified file is already sorted. Modify the command : sort file1  _________
sort -c file1

blank Give the command that eliminates duplicate consecutive lines (but does not sort). _________
uniq

blank Give the command that combines a set of directories and files, maintaining their relation, into a single flat file. There is no compression involved. _________
tar

blank Give the command that compares two files and lists them side by side in three columns, 1st column if only in 1st file, 2nd column if only in second file, third column if on both. _________
comm

blank Use the cut command and options to cut (retrieve) the 1st and 3rd columns of the /etc/passwd file.  Use : as the field delimiter. _________
cut -d: -f1,3 /etc/passwd
cut -d":" -f1,3 /etc/passwd

blank Give the command and option that reports the word count and only the word count of a file. _________
wc -w file

blank Give the command and option that prints the current condition of the printer system. _________
lpstat -a

blank Give the command and options to locate all files c files ( files with a .c extension), start search in your home directory (use the environmental variable). and just print their location. _________
find $HOME -name "*.c"

blank Give the command and options to locate all files that are larger than 10 kilobytes and print their location. Start search in current directory (absolute path). _________
find $PWD -size +10k

blank Give the command and options to locate all files that have been accessed within the last 24 hours and print their location.  Start search in current directory (relative path). _________
find . -mtime -1