$cat 1 $ $cat 2 $ $find . ./2 ./1 $find . . ./2 ./1 $ls 1 2 $find . -print . ./2 ./1 $find -print . ./2 ./1 $find -name 1 ./1 $ The find command is used to locate files on a Unix or Linux system. find will search any set of director- …
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Yauap . simple audio player
$yauap physics.mp3/Joy\ of\ science/Joy\ of\ Science.18.The\ Bohr\ Atom.mp3 yauap 0.2.4 (C) 2006-2008 Sascha Sommer loading url file:///home/jeffrin/Music/physics.mp3/Joy of science/Joy of Science.18.The Bohr Atom.mp3 Cannot connect to server socket err = No such file or directory Cannot connect to server socket jack server is not running or cannot be started title=The Bohr Atom artist=Audio Books album=The …
media gateway control protocol
Network Internals switch (mi->mgcp_type) { case MGCP_REQUEST: if(mi->is_duplicate){ /* Duplicate is ignored */ ms->req_dup_num++; } else { ms->open_req_num++; } break; Actions to be taken for MGCP commands. If “mi->is_duplicate” is a non-zero value, then the packet is ignored, otherwise a ty- pical value is incremented to count of a newer request. Above Explanation May Not …
www.ivarch.com/programs/pv.shtml
if (opts->argc size = sb.st_size; return; } stat, fstat, lstat – get file status stat() stats the file pointed to by path and fills in buf. fstat() is identical to stat(), except that the file to be stat-ed is specified by the file descriptor fd. Reference/Source : Linux Programmer’s Manual. pv (Pipe Viewer) can be …
kern.log part 1
$cut -d ‘ ‘ -f6-20 /var/log/kern.log [22293.016178] kjournald starting. Commit interval 5 seconds [22293.016218] EXT3-fs warning: maximal mount count reached, running e2fsck is recommended [22293.016635] EXT3 FS on sdb2, internal journal [22293.016647] EXT3-fs: mounted filesystem with ordered data mode. $ The First field shown above is a timestamp. The kernel ring buffer is not really …
mkfifo command.
$ls -l jeffrin ls: cannot access jeffrin: No such file or directory $mkfifo jeffrin $ls -l jeffrin prw-r–r– 1 jeffrin jeffrin 0 Oct 12 00:02 jeffrin $ $ls -d > jeffrin “another terminal” $cat < jeffrin . $ A “FIFO” is a special file type that permits independent processes to communicate. One process opens the …
base64 encoding
$file a.out a.out: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.18, not stripped $base64 a.out > ascii.txt $tail -n 5 -f ascii.txt X19lcnJub19sb2NhdGlvbkBAR0xJQkNfMi4yLjUAX19ic3Nfc3RhcnQAX19nY292X3dyaXRlX3N1 bW1hcnkAX19nY292X3JlYWRfY291bnRlcgBzdHJjcHlAQEdMSUJDXzIuMi41AF9lbmQAZmNsb3Nl QEBHTElCQ18yLjIuNQBzdGRlcnJAQEdMSUJDXzIuMi41AGFjY2Vzc0BAR0xJQkNfMi4yLjUAZndy aXRlQEBHTElCQ18yLjIuNQBfZWRhdGEAZnByaW50ZkBAR0xJQkNfMi4yLjUAZmNudGxAQEdMSUJD XzIuMi41AG9wZW5AQEdMSUJDXzIuMi41AG1rZGlyQEBHTElCQ18yLjIuNQBtYWluAF9pbml0AA== ^C $tail -n 5 -f a.out @ @ @. @> @N @^ @n That was a peice from a.out may …
system engineering
Software engineering occurs as a consequence of a process called system engineering.Instead of concentrating solely on software, system engineering focus on a variety of elements, analyzing,designing and organizing those elements into a system that can be a product,a service or a technology for the transformation of information and control. The system engineering process is called …
microscopic organisms
Many of the microscopic organisms that swarm and multiply in our ponds are clearly visible with an ordinary school microscope. A closer look at microscopic organisms may challenge existing ideas about the differences between plants and animals and reinforce key ideas about the importance of each in ecosystems. Reference/source : http://www.practicalbiology.org/areas/introductory/cells-to- systems/microscopic-organisms/ $nospace workethics.txt Remove …
comm – compare two sorted files line by line
$comm sorta.txt sortb.txt d g comm: file 1 is not in sorted order e s x comm: file 2 is not in sorted order g s n $cat sorta.txt d g e s $cat sortb.txt x g s n $ $cat sorta.txt a b c d $cat sortb.txt a f g h $comm sorta.txt sortb.txt …
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