Jan Kończak

user@host ~ $ hexdump -C f | column
00000000  41 6e 64 20 74 68 65 6e  20 74 68 65 72 65 20 77  |And then there w|  00000060  68 61 64 20 74 72 61 69  6e 65 72 20 77 68 65 65  |had trainer whee|
00000010  65 72 65 20 74 68 65 20  66 72 6f 67 73 2e 0a 56  |ere the frogs..V|  00000070  6c 73 20 6f 6e 20 69 74  2e 0a 20 20 20 20 20 20  |ls on it..      |
00000020  65 72 79 2c 20 76 65 72  79 20 73 6d 61 6c 6c 20  |ery, very small |  00000080  20 20 2d 2d 20 28 54 65  72 72 79 20 50 72 61 74  |  -- (Terry Prat|
00000030  66 72 6f 67 73 2e 0a 54  68 65 79 20 68 61 64 20  |frogs..They had |  00000090  63 68 65 74 74 2c 20 57  69 6e 67 73 29 0a        |chett, Wings).|
00000040  73 75 63 68 20 61 20 74  69 6e 79 20 6c 69 66 65  |such a tiny life|  0000009e
00000050  20 63 79 63 6c 65 20 69  74 20 73 74 69 6c 6c 20  | cycle it still |
user@host ~ $ echo '1 2 3 * + p' | dc        # dc is a RPN calculator
7
user@host ~ $ figlet -f small Ribbit-ribbit. | cowsay -nf bud-frogs | cat -n
     1   _____________________________________________________
     2  /  ___ _ _    _    _ _           _ _    _    _ _      \
     3  | | _ (_) |__| |__(_) |_ ___ _ _(_) |__| |__(_) |_    |
     4  | |   / | '_ \ '_ \ |  _|___| '_| | '_ \ '_ \ |  _|_  |
     5  | |_|_\_|_.__/_.__/_|\__|   |_| |_|_.__/_.__/_|\__(_) |
     6  \                                                     /
     7   -----------------------------------------------------
     8       \
     9        \
    10            oO)-.                       .-(Oo
    11           /__  _\                     /_  __\
    12           \  \(  |     ()~()         |  )/  /
    13            \__|\ |    (-___-)        | /|__/
    14            '  '--'    ==`-'==        '--'  '
user@host ~ $ seq 30 | paste - - -       # paste reads input files rount-robin, "-" is the standard input
1       2       3
4       5       6
7       8       9
10      11      12
13      14      15
16      17      18
19      20      21
22      23      24
25      26      27
28      29      30
user@host ~ $ mkfifo rura      ┍ drugi terminal              ┍ trzeci terminal
user@host ~ $ fortune > rura   │ user@host ~ $ date > rura   │ user@host ~ $ cat < rura
user@host ~ $                  │ user@host ~ $               │ BOFH Excuse #156:
                               │                             │ 
                               │                             │ Zombie processes haunting the computer
                               │                             │ nie, 1 sty 2023, 00:00:00 CET