title: sort by column linux
body: <p>I have a file with columns shown below:</p>
  
  <pre><code>chr1  91.4062
  chr10  97.9150
  chr11 116.7630
  chr12 106.7870
  chr13 116.1050
  chr14 126.2180
  chr15 110.2320
  chr16  96.8076
  chr17 113.5970
  chr18  86.1011
  chr19 130.6770
  chr2 111.4620
  chr20  68.4864
  chr21 107.0810
  chr22 140.7750
  chr23 110.9590
  chr24  68.4785
  chr25 102.2080
  chr26  72.2762
  chr27  96.2213
  chr28  85.5570
  chr29 126.3800
  chr3 116.1830
  chr30  89.5663
  chr31  89.1227
  chr32 128.6190
  chr4 117.3620
  chr5  78.1921
  chr6  85.4915
  chr7 107.2620
  chr8 112.9560
  chr9  69.0250
  chrX  66.0736
  </code></pre>
  
  <p>I want to sort it based on 1st column and the output should look like below:</p>
  
  <pre><code>chr1 91.4062
  chr2 111.4620
  chr3 116.1830
  chr4 117.3620
  chr5 78.1921
  chr6 85.4915
  chr7 107.2620
  chr8 112.9560
  chr9 69.0250
  chr10 97.9150
  chr11 116.7630
  chr12 106.7870
  chr13 116.1050
  chr14 126.2180
  chr15 110.2320
  chr16 96.8076
  chr17 113.5970
  chr18 86.1011
  chr19 130.6770
  chr20 68.4864
  chr21 107.0810
  chr22 140.7750
  chr23 110.9590
  chr24 68.4785
  chr25 102.2080
  chr26 72.2762
  chr27 96.2213
  chr28 85.5570
  chr29 126.3800
  chr30 89.5663
  chr31 89.1227
  chr32 128.6190
  chrX 66.0736
  </code></pre>
  
  <p>Any solution using linux commands would be helpful.</p>