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xp
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:g/^/m0/ (δͨ¹ý)
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8.
:ab string strings
ÀýÈç ":ab usa United States of America" ,
µ±ÄãÔÚÎļûÀï²åÈë usa ʱ
United States of America ¾Í±Ä³öÀ´ÁË
9.
:map keys new_seq
¶¨ÒåÄ㵱ǰ ¼üÅÌÃüÁî
10.
:set [all]
vi or ex µÄ±à¼­×´Ì¬
Èç ÏÔʾÿÐÐ :set nu
11.
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13.
:%s/old_word/new_word/g
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17. vi »·¾³Ñ¡Ïî Solaris ksh
noautoindent nomodelines noshowmode
autoprint nonumber noslowopen
noautowrite nonovice tabstop=8
nobeautify nooptimize taglength=0
directory=/var/tmp paragraphs=IPLPPPQPP LIpplpipnpbtags=tags /usr/lib/tags
noedcompatible prompt tagstack
noerrorbells noreadonly term=vt100
noexrc redraw noterse
flash remap timeout
hardtabs=8 report=5 ttytype=vt100
noignorecase scroll=11 warn
nolisp sections=NHSHH HUuhsh+c window=23
nolist shell=/bin/ksh wrapscan
magic shiftwidth=8 wrapmargin=0
mesg noshowmatch nowriteany

For C-Shell:
setenv EXINIT "set nu"
For Bourne or Korn Shell:
EXINIT="set nu"; export EXINIT
For Korn Shell Only (alternate method):
typeset -x EXINIT="set nu"
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19.
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(ÔÚHP-UX,Solaris,AIXÉÏͨ¹ý)
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20.
sco ÏÂVI ÒªÔÚÎı¾Ç°Í¬ÑùµÄ×Ö·û¼ÓÓÃ
%s/^/Òª¼ÓµÄÄÚÈÝ/g ÒªÔÚÎı¾ºóͬÑùµÄ×Ö·û¼Ó
%s/$/Òª¼ÓµÄÄÚÈÝ/g
21.
ÈçºÎÈ¥µôÎı¾ÖÐµÄ ^M Ó²»Ø³µ£¿²»±ØÓÃbinary´«»ØÈ¥ÔÙascii´«»ØÀ´µÄ·½Ê½£¬ÓÃshell»òÕßunixÓï¾äʵÏÖ¡£
cat filename |tr -d '\015' >;newfile
²»Í¬µÄunixϵͳ»¹´æÔÚһЩÆäËû²»Í¬µÄÃüÁî,Èç:doscp
sed Ò²¿ÉÒÔʵÏÖÕâ¸ö¹¦ÄÜ.
dos2unix filename filename2
·´Ö®
unix2dos filename filename2
ÔÚvi ÖÐÓÃ:$s/^M//g
^ÊÇcrtl-V crtl-M
22.ÈçºÎÔÚ¡°unixÃüÁîÐС±Ï½«Ò»¸öÎļþµÄij×Ö·û´®ÓÃÁíÒ»¸ö´®»»µô
sed 's/string1/string2/gp' file1 >; file2


23.½«/etc/hostsÏÂËùÓеĵØÖ·¶¼ping 2´Î
1 #/usr/bin/sh
2 #grad /etc/hosts and ping each address
3 cat /etc/hosts|grep -v '^#' | while read LINE
4 do
5 ADDR=`awk '{print $1}'`
6 for MACHINE in $ADDR
7 do
8 ping $MACHINE -n 2
9 done
10 done
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