[kevshaw@451]$ history
     1  e
     2  w
     3  cd 07
     4  ./rscr | sort -n -k 2 | more
     5  ./rscr | sort -n -k 2 | less
     6  ./rscr | sort -n -k 2 | head -79
     7  ./rscr | sort -n -k 2 | head -80
     8  ./rscr | sort -n -k 2 | head -83
     9  ./rscr | sort -n -k 2 | head -85
    10  ./rscr | sort -n -k 2 | head -83
    11  man cut
    12  ./rscr | sort -n -k 2 | head -83 | cut -f 1 -d ' '
    13  ./rscr | sort -n -k 2 | head -83 | cut -f 1 -d ' ' | uniq
    14  ./rscr | sort -n -k 2 | head -83 | cut -f 1 -d ' ' | uniq | wc -l
    15  ./rscr | sort -n -k 2 | head -83
    16  ./rscr | sort -n -k 2 | head -83 | cut -f 1 -d '/' | uniq | wc -l
    17  ./rscr | sort -n -k 2 | head -83 | cut -f 1 -d '/'
    18  ./rscr | sort -n -k 2 | head -83 | cut -f 2 -d '/'
[kevshaw@451]$