[kevshaw@451]$ history
     1  w
     2  gfp -f 9rnt
     3  hbplus 9RNT.pdb
     4  less 9RNT.hb2
     5  grep " MM " 9RNT.hb2
     6  grep " MM " 9RNT.hb2 | wc -l
     7  grep " MS " 9RNT.hb2 | wc -l
     8  grep " SM " 9RNT.hb2 | wc -l
     9  grep " SM " 9RNT.hb2
    10  grep " MS " 9RNT.hb2; grep " SM " 9RNT.hb2
    11  grep " SS " 9RNT.hb2
    12  grep " SS " 9RNT.hb2 | wc -l
    13  mkdir mhb
    14  cd mhb/
    15  wget http://dunbrack.fccc.edu/Guoli/culledpdb_hh/cullpdb_pc20_res1.6_R0.25_d191005_chains3675.gz
    16  gzip -dv cullpdb_pc20_res1.6_R0.25_d191005_chains3675.gz
    17  less cullpdb_pc20_res1.6_R0.25_d191005_chains3675
    18  grep "^[0-9]" | cut -c1-5 | less
    19  grep "^[0-9]" cullpdb_pc20_res1.6_R0.25_d191005_chains3675 | cut -c1-5 | less
    20  grep "^[0-9]" cullpdb_pc20_res1.6_R0.25_d191005_chains3675 | cut -c1-5 | head -20 | gfp -fc
    21  ls
    22  ls *.pdb | tr ' ' '\n' | wc -l
    23  hbplus *.pdb > hbfile
    24  less hbfile
    25  ls *.pdb | tr ' ' '\n' | xargs -l hbplus > hbfile
    26  ls
    27  less hbfile
    28  hbcnt hbfile
[kevshaw@451]$