162 navigating in unix

... Moves the insertion point to the beginning of the line. Control- E Moves the insertion point to the end of the line. Control- T Transposes the previous two characters. Esc-F Moves the insertion ... insertion point to the beginning of the next word. Esc-B Moves the insertion point to the beginning of the current word. Esc- Delete Erases the previous word (defined as "anything that ends ... working directory. 16.2.5. Keystroke-Saving Features By now, you might be thinking that clicking icons would still be faster than doing all this typing. Here's where the typing...

Ngày tải lên: 14/12/2013, 12:15

... mục rỗng hay không #!/bin/sh if ls > /dev/null then echo Directory not empty fi  .!"@}1  #!/bin/sh if test $1 = hello then echo hello world fi  #!/bin/sh if [ $1 -gt $2 -o ... đi sau " >Q-/ \a alert (bell) \b backspace \c suppress trailing newline \E escape character \n new line \r carriage return \t horizontal tab \v vertical tab \\ backslash \num the ... " '}+X&?NTU&O " #+&‚+  &-†/Bv-H/BV-~/B&-P/B-‡/  $cat cong.sh #!/bin/sh # Tinh va in hai so tong = `expr $1 + $2` echo "Tong = $tong" $cong.sh 5 6 s jS()  Cho...

Ngày tải lên: 09/05/2014, 08:45

... 378 18 Printing in the UNIX Environment 379 Goals for This Hour 379 Task 18.1: Find Local Printers with printers 380 Task 18.2: Printing Files with lpr or lp 384 Task 18.3: Formatting Print Jobs ... command-line interpreters and how users interact with UNIX ■ How to use man pages, UNIX s online reference material ■ Other ways to find help in UNIX 14 Hour 1 1 The default sort key is an entire line. ... 1 Interpretation of the printing code: the rightmost double-digit number is the year of the book’s printing; the rightmost single-digit, the number of the book’s printing. For example, a printing...

Ngày tải lên: 05/11/2013, 15:15

... recent books include the best-selling Creating Cool HTML 3.2 Web Pages and The Internet Business Guide. Dave has a weekly intranet column in InfoWorld and a Web/CGI programming column in LOGIN. Previous ... To interact with UNIX, you type in commands to the command-line interpreter, which is known in UNIX as the shell, or command shell. It’s the underlying environment in which you work with the UNIX ... 1 Interpretation of the printing code: the rightmost double-digit number is the year of the book’s printing; the rightmost single-digit, the number of the book’s printing. For example, a printing...

Ngày tải lên: 17/01/2014, 08:20

... The linker flags and the libraries to link against. # These are used in the implicit rule for linking using a single object file; 25 Chapter 1. Introduction Debugging is the art of removing bugs ... space pollution 11 Incremental building/linking 12 The build process 12 Core dumps 13 Debugging techniques 13 Using the compiler’s features 13 The RTFM technique 14 printf() debugging 15 Assertions: ... assist in debugging. Of course, it is better to prevent bugs from slipping into your code in the first place. Sometimes it is difficult to distinguish between good coding practices and good debugging...

Ngày tải lên: 21/01/2014, 06:20

... recommend placing /usr/xpg6/bin and /usr/xpg4/bin in your shell search path before the other directories. Solaris is unique among modern Unix systems in that the versions in /usr/bin continue to be ... something like this in your .profile file: # Use multiple lines to fit on the page: PATH="/usr/xpg6/bin:/usr/xpg4/bin:/usr/ccs/bin:/usr/bin:/usr/java/bin" PATH="$PATH:/usr/sfw/bin:/usr/perl5/bin" PATH="$PATH:/usr/dt/bin:/usr/X/bin:/usr/openwin/bin" The ... following suffices: PATH=/bin:/usr/bin:/usr/X11R6/bin On Mac OS X the default path is /bin:/sbin:/usr/bin:/usr/sbin. You may wish to add the X11 directory to it: PATH=$PATH:/usr/X11R6/bin Essentially...

Ngày tải lên: 22/02/2014, 09:20

... converses in English with users in the domain of the UNIX operating system. UC provides information on usage of system utilities, UNIX terminology, and plans for accomplishing specific tasks in ... as UNIX. Specifically, objects in the UNIX domain usually have definite functions which serve well in the definition of the object. In example two, the type declaration of a search-path includes ... structures are defined. Thus although care must be taken to choose good indexing schemes when defining the structure of a frame, the indexing scheme is used automatically whenever another instance...

Ngày tải lên: 08/03/2014, 18:20

... shell running in one of the windows.) A shell is a command-line interpreter that reads user input and executes commands. The user input to a shell is normally from the terminal (an interactive ... http://www.processtext.com/abcchm.html #include <sys/wait.h> int main(void) { char buf[MAXLINE]; /* from apue.h */ pid_t pid; int status; printf("%% "); /* print prompt (printf requires %% to print %) */ ... chapters have been fascinating." Open Systems Today "A much more readable and detailed treatment of [UNIX internals] can be found in Advanced Programming in the UNIX ® Environment by...

Ngày tải lên: 19/03/2014, 13:32

Ngày tải lên: 29/03/2014, 16:20

... Collecting, mas- saging and disseminating all of this trading data is the job of the information providers - the companies in the financial information industry. The principal players in this ... This online phenomenon didn’t exist when I started out in the business, but I and my peers were actively involved in playing poker, bridge, and gin. The concentration involved in playing these ... fund invests in. • Sales and Marketing: Meeting with investors to help sell the strengths of the fund. • Portfolio Management and Trading: Executing the investment strategy, buying and selling...

Ngày tải lên: 29/03/2014, 18:20

... from standard input and exe cute them #include "apue.h" #include <sys/wait.h> int main(void) { char buf[MAXLINE]; /* from apue.h */ pid_t pid; int status; printf("%% ... fcntl(int filedes, int cmd, /* int arg */ ); Returns : depends on cmd if O K (s ee following), 1 on error In the examples in this section, the third argument is always an integer, c orresponding ... optional ones. The optional interfaces are further divided into 50 sections, based on functionality. The sections containing nonobsolete programming interfaces are summarized in Figure 2.5 with their...

Ngày tải lên: 07/04/2014, 15:00

... since being put in ar chive. v Verbose; print a description. Example Update the versions of object files in mylib.a with the ones in the curr ent dir ectory. Any files in mylib.a that are not in ... -U. Options -dn Stop outlining when nesting level n is reached. -i_ Include functions whose names begin with _. -ix Include external and static data symbols. -r Invert the listing; show the callers ... of Unix commands of interest to users and program- mers. It also describes the three major Unix shells, including special syntax and built -in commands. • Chapter 1, Intr oduction • Chapter 2, Unix...

Ngày tải lên: 24/04/2014, 09:20

Ngày tải lên: 27/06/2014, 12:20

Ngày tải lên: 28/06/2014, 19:20

Ngày tải lên: 01/07/2014, 09:20

Ngày tải lên: 05/07/2014, 19:20

Ngày tải lên: 07/07/2014, 23:20

... kg in body weight. Including these high levels immediately post-weaning, however, may negatively influence feed intake, resulting in poorer initial growth performance. More recently, Gaines ... protein source in diets for gestating swine. J. Anim. Sci. 46:674-677. Wahlstrom, R.C., C.S. German, and G.W. Libal. 1970. Corn distillers dried grains with solubles in growing- finishing swine ... treatments. These data indicate adding DDGS at levels up to 30% in swine finishing diets did not have meaningful effects on pork muscle quality. Iodine number increased linearly, and thus, belly...

Ngày tải lên: 08/08/2012, 10:03