$ 4.2.36 7 507—> grep `whoami` algorithm.c to jeffrin@rocketmail.com $ 4.2.36 8 508—> $ 4.2.36 8 508—> whoami jeffrin $ 4.2.36 9 509—> $ 4.2.36 3 503—> grep ls ls2.wav Binary file ls2.wav matches $ 4.2.36 4 504—> grep `ls` ls2.wav grep: 12: Is a directory grep: 2008: Is a directory grep: 2010: Is a …
Monthly Archives: November 2012
XARGS and CD command
$ 4.2.36 45 545—> ls shelter symmel $ 4.2.36 46 546—> ls shelter | xargs sh -c ‘cd’ $ 4.2.36 47 547—> ls shelter | xargs du -h du: cannot access `symmel’: No such file or directory $ 4.2.36 48 548—> ls shelter | xargs sh -c ‘cd’| pwd /home/jeffrin $ 4.2.36 49 549—>
SEARCH AND REPLACE USING SED
commandline session $ 4.2.36 13 513—> cat math.html <html> <body> <msup> <mfenced> <mi>a</mi> <mo>+</mo> <mi>b</mi> </mfenced> <mn>2</mn> </msup> </body> </html> $ 4.2.36 14 514—> $ sed “s/html/HTML/g” math.html > math-new.html bash: $: command not found $ 4.2.36 15 515—> sed “s/html/HTML/g” math.html > math-new.html $ 4.2.36 16 516—> cat math-new.html <HTML> <body> <msup> <mfenced> <mi>a</mi> …
KNOWLEDGE ENGINEERING WITH SOFTWARE
BEAUTIFULWORK is a effort to BEAUTIFUL GRAPHS WITH KNOWLEDGE PARAMETERS
DOCUMENTATION
BEAUTIFULWORK is like a blog and has different methods of expression of knowledge. THERE ARE LEARNING STYLES EARLY BIRD Here you can see a GNU/Linux or related command in an overall round up which touches the possibility for the command in different levels. COCOA
Bison Tinkering
commandline session /* Reverse polish notation calculator. */ %{ #define YYSTYPE double #include %} %token NUM %% /* Grammar rules and actions follow */ $ 4.2.36 19 519—> bison rpcalc.y rpcalc.y:11.1: syntax error, unexpected end of file $ 4.2.36 20 520—> $ 4.2.36 1 501—> vim la.y $ 4.2.36 2 502—> bison la.y la.y:6.1: invalid …
UNCOMPRESS vmlinuz to vmlinux
commandline session root@debian:/boot# od -A d -t x1 vmlinuz-3.2.0-3-amd64 | grep ‘1f 8b 08 00′ 0018096 00 ff e0 1f 8b 08 00 00 00 00 00 02 03 ec fd 7b root@debian:/boot# dd if=vmlinuz bs=1 skip=18099 | zcat > vmlinux dd: opening `vmlinuz’: No such file or directory gzip: stdin: unexpected end of file …
HISTSIZE Tinkering
commandline session $ 4.2.36 1 501—> echo $HISTSIZE 500 $ 4.2.36 2 502—> cat ^C $ 4.2.36 3 503—> tac ^C $ 4.2.36 4 504—> echo $HISTSIZE 500 $ 4.2.36 5 505—> export $HISTSIZE=1 bash: export: `500=1′: not a valid identifier $ 4.2.36 6 506—> export HISTSIZE=1 $ 4.2.36 7 500—> tic tic: File name …
BASH_ALIASES tinkering
commandline session $ 4.2.36 6 506—> echo $BASH_ALIASES $ 4.2.36 7 507—> echo ${BASH_ALIASES[0]} $ 4.2.36 8 508—> echo ${BASH_ALIASES[1]} $ 4.2.36 9 509—> echo ${BASH_ALIASES[2]} $ 4.2.36 10 510—> alias lst ls bash: alias: lst: not found bash: alias: ls: not found $ 4.2.36 11 511—> alias ls lst bash: alias: ls: not found …