ASCII is short for 'American Standard Code for Information Interchange'

The ASCII Table

This table lists the ASCII characters and their ASCII codes in decimal. Characters which appear as names in parentheses (e.g., (nl)) are non-printing characters. A table of the common non-printing characters appears after this table.

Character  ASCII    Character  ASCII      Character ASCII    Character  ASCII 
           code                code                 code                code  
-------------------------------------------------------------------------------------
(nul)       0          (sp)     32              @     64         `       96  
(soh)       1           !       33              A     65         a       97 
(stx)       2           "       34              B     66         b       98   
(etx)       3           #       35              C     67         c       99
(eot)       4           $       36              D     68         d      100
(enq)       5           %       37              E     69         e      101 
(acK)       6           &       38              F     70         f      102
(bel)       7           '       39              G     71         g      103
(bs)        8           (       40              H     72         h      104
(ht)        9           )       41              I     73         i      105
(nl)       10           *       42              J     74         j      106 
(vt)       11           +       43              K     75         k      107
(np)       12           ,       44              L     76         l      108
(cr)       13           -       45              M     77         m      109
(so)       14           .       46              N     78         n      110
(si)       15           /       47              O     79         o      111
(dle)      16           0       48              P     80         p      112
(dc1)      17           1       49              Q     81         q      113
(dc2)      18           2       50              R     82         r      114
(dc3)      19           3       51              S     83         s      115
(dc4)      20           4       52              T     84         t      116
(nak)      21           5       53              U     85         u      117 
(syn)      22           6       54              V     86         v      118 
(etb)      23           7       55              W     87         w      119
(can)      24           8       56              X     88         x      120 
(em)       25           9       57              Y     89         y      121
(sub)      26           :       58              Z     90         z      122
(esc)      27           ;       59              [     91         {      123 
(fs)       28           <       60              \     92         |      124
(gs)       29           =       61              ]     93         }      125
(rs)       30           >       62              ^     94         ~      126
(us)       31           ?       63              _     95        (del)   127

ASCII Name  Description     C Escape Sequence
nul         null byte              \0
bel         bell character         \a
bs          backspace              \b
ht          horizontal tab         \t
np          formfeed               \f
nl          newline                \n
cr          carriage return        \r
vt          vertical tab
esc         escape
sp          space