[kevshaw@451]$ history
     1  w
     2  history
     3  w
     4  last -20
     5  w
     6  ls -al .bash
     7  ls -al .bash*
     8  su
     9  w
    10  write buteracg
    11  w
    12  write buteracg
    13  ed
    14  ls
    15  less pdb9rnt.ent
    16  grep SEQRES pdb9rnt.ent
    17  grep SEQRES pdb1rgg.ent
    18  grep "SEQRES.* A " pdb1rgg.ent
    19  echo Hi
    20  cat pdb9rnt.ent
    21  cat pdb9rnt.ent pdb1rgg.ent
    22  cat pdb9rnt.ent pdb1rgg.ent > file
    23  ls -al
    24  rm file
    25  cut -c1-6 pdb9rnt.ent
    26  ls
    27  wc hstr
    28  wc -l hstr
    29  head pdb9rnt.ent
    30  head -n 20 pdb9rnt.ent
    31  tail -n 20 pdb9rnt.ent
    32  grep SEQRES pdb9rnt.ent
    33  grep SEQRES pdb9rnt.ent | cut -c20-70
    34  grep SEQRES pdb9rnt.ent | cut -c20-70 | tr " " "\n"
    35  grep SEQRES pdb9rnt.ent | cut -c20-70 | tr " " "\n" | grep ALA
    36  grep SEQRES pdb9rnt.ent | cut -c20-70 | tr " " "\n" | grep ALA | wc -l
    37  echo "ALA "; grep SEQRES pdb9rnt.ent | cut -c20-70 | tr " " "\n" | grep ALA | wc -l
    38  echo -n "ALA "; grep SEQRES pdb9rnt.ent | cut -c20-70 | tr " " "\n" | grep ALA | wc -l
    39  echo -n "TYR "; grep SEQRES pdb9rnt.ent | cut -c20-70 | tr " " "\n" | grep TYR | wc -l
[kevshaw@451]$