od(1)od(1)Nameod - create file octal dump
Syntaxod [options] [file] [offset] [label]
Description
The command displays file, or its standard input, in one or more dump
formats as selected by the first argument. If the first argument is
missing, -o is the default. Dumping continues until end-of-file.
Options
-a[p|P] Interprets bytes as characters and display them with their
ACSII names. If the p character is given also, then bytes with
even parity are underlined. The P character causes bytes with
odd parity to be underlined. Otherwise the parity bit is
ignored.
-b Displays bytes as unsigned octal.
-c Displays bytes as ASCII characters. Certain non-graphic char‐
acters appear as C escapes: null=\0, backspace=\b, formfeed=\f,
newline=\n, return=\r, tab=\t; others appear as 3-digit octal
numbers. Bytes with the parity bit set are displayed in octal.
-d Displays short words as unsigned decimal.
-f Displays long words as floating point.
-h Displays short words as unsigned hexadecimal.
-i Displays short words as signed decimal.
-l Displays long words as signed decimal.
-o Displays short words as unsigned octal.
-s[n] Looks for strings of ASCII characters of n minimum length. By
default, the minimum length is 3 characters.
-v Displays all data and indicates lines identical to the last
line shown with an * in column 1.
-w[n] Specifies the number of input bytes to be interpreted and dis‐
played on each output line. If w is not specified, 16 bytes are
read for each display line. If n is not specified, it defaults
to 32.
-x Displays short words as hexadecimal.
An upper case format character implies the long or double precision
form of the object.
The offset argument specifies the byte offset into the file where dump‐
ing is to commence. By default this argument is interpreted in octal.
A different radix can be specified; If ``.'' is appended to the argu‐
ment, then offset is interpreted in decimal. If offset begins with
``x'' or ``0x'', it is interpreted in hexadecimal. If ``b'' (``B'') is
appended, the offset is interpreted as a block count, where a block is
512 (1024) bytes. If the file argument is omitted, an offset argument
must be preceded by ``+''.
The radix of the displayed address is the same as the radix of the off‐
set, if specified; otherwise it is octal.
The label is interpreted as a pseudo-address for the first byte dis‐
played. It is shown in ``()'' following the file offset. It is
intended to be used with core images to indicate the real memory
address. The syntax for label is identical to that for offset.
Restrictions
A file name argument can't start with ``+''. A hexadecimal offset
can't be a block count. Only one file name argument can be given.
It is an historical botch to require specification of object, radix,
and sign representation in a single character argument.
See Alsoadb(1) - VAX only, dbx(1)od(1)
