Category Archives: Uncategorized

jeffrin@debian:~$ mplayer romeo_must_die_.ogg $sudo iwatch -c “uname -r” -e all_events /etc/ . . . . [ 8/Jan/2012 17:19:11] IN_OPEN /etc//locale.alias [ 8/Jan/2012 17:19:11] * Command: uname -r 3.1.0-1-amd64 [ 8/Jan/2012 17:19:11] IN_ACCESS /etc//locale.alias [ 8/Jan/2012 17:19:11] * Command: uname -r 3.1.0-1-amd64 [ 8/Jan/2012 17:19:11] IN_CLOSE_NOWRITE /etc//locale.alias [ 8/Jan/2012 17:19:11] * Command: uname -r 3.1.0-1-amd64 [ …

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$sudo iwatch -e all_events /usr/lib/ [ 7/Jan/2012 19:00:25] IN_OPEN /usr/lib//libmagic.so.1.0.0 [ 7/Jan/2012 19:00:25] IN_ACCESS /usr/lib//libmagic.so.1.0.0 [ 7/Jan/2012 19:00:25] IN_OPEN /usr/lib//libz.so.1.2.3.4 [ 7/Jan/2012 19:00:25] IN_ACCESS /usr/lib//libz.so.1.2.3.4 [ 7/Jan/2012 19:00:25] IN_CLOSE_NOWRITE /usr/lib//libz.so.1.2.3.4 [ 7/Jan/2012 19:00:25] IN_CLOSE_NOWRITE /usr/lib//libmagic.so.1.0.0   jeffrin@debian:~$ file hello-world.asp hello-world.asp: HTML document, ASCII text jeffrin@debian:~$ Related Link. http://en.wikipedia.org/wiki/Inotify

File $ls -l /etc/localtime -rw-r–r– 1 root root 2100 Jan 5 21:49 /etc/localtime $ Explanation $file /etc/localtime /etc/localtime: timezone data, version 2, 4 gmt time flags, 4 std time flags, no leap seconds, 4 transition times, 4 abbreviation chars $ Get The Hang $hexdump /etc/localtime 0000000 5a54 6669 0032 0000 0000 0000 0000 0000 0000010 …

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UNIX Command $file vmlinuz-3.1.0-1-amd64 vmlinuz-3.1.0-1-amd64: Linux kernel x86 boot executable bzImage, version 3.1.0-1-amd64 (unknown@Debian) #1 SMP Tue Nov 29 13:47:12 UTC 2, RO-rootFS, swap_dev 0x2, Normal VGA $ UNIX Explanation file tests each argument in an attempt to classify it. There are three sets of tests, performed in this order: filesystem tests, magic tests, and …

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1. GNU core utilities http://savannah.gnu.org/projects/coreutils 2. Miscellaneous system utilities http://userweb.kernel.org/~kzak/util-linux/ 3. utilities for making and checking MS-DOS FAT filesystems http://www.daniel-baumann.ch/software/dosfstools/ 4. Undelete utility for the ext2 file system http://e2undel.sourceforge.net 5. utilities for manipulating files in an ext2/ext3 filesystem http://home.earthlink.net/~k_sheff/sw/e2tools/index.html 6. Determines file type using “magic” numbers http://www.darwinsys.com/file/ 7. filesystem activity monitoring tool http://mytty.org/fspy 8. realtime …

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UNIX Command $ls -l vmlinuz lrwxrwxrwx 1 root root 26 Dec 1 02:44 vmlinuz -> boot/vmlinuz-3.1.0-1-amd64 $ls -lL vmlinuz -rw-r–r– 1 root root 2725680 Nov 29 19:49 vmlinuz $   UNIX Explanation -L, –dereference when showing file information for a symbolic link, show information for the file the link references rather than for the link …

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Classroom. Wrapfs is a full-fledged stackable null-layer (or loopback) filesystem that simply passes all operations and objects (unmodified) between the VFS and the lower filesystem. Wrapfs itself, however, is not easy to write for one main reason; it has to treat the lower filesystem as if it were the VFS, while appearing to the real …

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http://people.csail.mit.edu/jrennie/20Newsgroups/vocabulary.txt

Paper. The Linux Frame Buffer Device Subsystem

Topic Endianness Explanation Endianess is the byte order of the number in the computer’s memory. The number can have any size of bits, bu the most common numbers used are 32 bits (4 bytes) and 16 bits (2 bytes). source : http://www.rapidtables.com/prog/endianess.htm Theory Drop In computing, the term endian or endianness refers to the ordering …

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