HEXDUMP(1) HEXDUMP(1) (NAME) hexdump - (SYNOPSIS) hexdump [] ... hd [] ... (DESCRIPTION) hexdump () . (OPTIONS) length offset KiB (=1024) MiB (=1024*1024) GiB TiB PiB EiB ZiB YiB ( "iB" "K" "KiB" ) KB (=1000) MB (=1000*1000) GB TB PB EB ZB YB. -b, --one-byte-octal . . -X, --one-byte-hex . . -c, --one-byte-char . . -C, --canonical . %_p | . hd . -d, --two-bytes-decimal . . -e, --format format_string . -f, --format-file file . (#) . -L, --color[=when] . when auto never always . when auto . --help . (COLORS) . -n, --length length length . -o, --two-bytes-octal . . -s, --skip offset offset . -v, --no-squeezing -v hexdump . -v ( ) . -x, --two-bytes-hex . . -h, --help . -V, --version . hexdump -e -f . (FORMATS) . : . . . . . / / . . (" ") . fprintf ( fprintf(3) ) : 1. (*) . 2. s ( fprintf(3) ). 3. h l n p q . 4. C : +------------------------+----+ |NULL ( | \0 | |) | | +------------------------+----+ | | \a | |() | | +------------------------+----+ | | \b | |() | | +------------------------+----+ | | \f | |() | | +------------------------+----+ | ( | \n | |) | | +------------------------+----+ | | \r | |( | | |) | | +------------------------+----+ | ( | \t | |) | | +------------------------+----+ | ( | \v | |) | | +------------------------+----+ (Conversion strings) hexdump . _a[dox] . d o x . _A[dox] _a . _c . ( ) . _p . '.' . _u US ASCII . 0xff . +--------+---------+---------+---------+---------+---------+ |000 nul | 001 soh | 002 stx | 003 etx | 004 eot | 005 enq | +--------+---------+---------+---------+---------+---------+ |006 ack | 007 bel | 008 bs | 009 ht | 00A lf | 00B vt | +--------+---------+---------+---------+---------+---------+ |00C ff | 00D cr | 00E so | 00F si | 010 dle | 011 dc1 | +--------+---------+---------+---------+---------+---------+ |012 dc2 | 013 dc3 | 014 dc4 | 015 nak | 016 syn | 017 etb | +--------+---------+---------+---------+---------+---------+ |018 can | 019 em | 01A sub | 01B esc | 01C fs | 01D gs | +--------+---------+---------+---------+---------+---------+ |01E rs | 01F us | 0FF del | | | | +--------+---------+---------+---------+---------+---------+ (Colors) hexdump . . _L[color_unit_1,color_unit_2,...,color_unit_n] : [!]COLOR[:VALUE][@OFFSET_START[-END]] ! . / . / . COLOR . VALUE . C hexdump color_units . OFFSET . OFFSET_START END . (Counters) : %_c, %_p, %_u, %c . %d, %i, %o, %u, %X, %x . %E, %e, %f, %G, %g . . . . hexdump . _a _A . -n ( ). . s '+' ' ' '#' (NULL) . -x ( -x ). (EXIT STATUS) hexdump 0 0 . (CONFORMING TO) hexdump IEEE Std 1003.2 ("POSIX.2") . (EXAMPLES) (perusal): "%06.6_ao " 12/1 "%3_u " "\t" "%_p " "\n" -x: "%07.7_Ax\n" "%07.7_ax " 8/2 "%04x " "\n" MBR: (cyan) 510 511 0xAA55 : "%07.7_Ax_L[cyan]\n" "%07.7_ax_L[cyan] " 8/2 " %04x_L[green:0xAA55@510-511,!red:0xAA55@510-511] " "\n" (COLORS) terminal-colors.d(5) . /etc/terminal-colors.d/hexdump.disable hexdump /etc/terminal-colors.d/disable . 2.41 $NO_COLOR . $XDG_CONFIG_HOME/terminal-colors.d $HOME/.config/terminal-colors.d . terminal-colors.d . (REPORTING BUGS) . . (AVAILABILITY) hexdump util-linux . . util-linux 2.41.5 2026-06-16 HEXDUMP(1)