3Com 4210G Series, Руководство по настройке, Страница: 883 / 1133

9-20
Character Meaning Remarks
\<
string
Used to match a character string starting
with
string
.
For example, “\<do” can match word
“domain” or string “doa”.
string
\>
Used to match a character string ending
with
string
.
For example, “do\>” can match word
“undo” or string “abcdo”.
\b
character
2
Used to match
character1character2.
character1
can be any character except
number, letter or underline, and \b
equals [^A-Za-z0-9_].
For example, \ba can match -a, with -
represents
character1,
and a represents
character2;
while \ba cannot match “2a”
or “ba”
.
\B
character
It must match a string containing
character
, and there can no spaces
before
character.
For example, “\Bt” can match “t” in
“install”, but not “t” in “big top”.
character1\w
Used to match
character1character2.
character2
must be a number, letter or
underline, and \
w
equals [^A-Za-z0-9_].
For example, “v\w” can match “vlan”,
with “v” being
character1,
and “l” being
character2.
v\w can also match
“service”, with “i” being
character2.
\W Equals \b.
For example, “\Wa” can match “-a”, with
“-” representing
character1,
and “a”
representing
character2;
while “\ba”
cannot match “2a” or “ba”
.
\
Escape character. If single special
characters listed in this table follow \, the
specific meanings of the characters will
be removed.
For example, “\\” can match a string
containing “\”, “\^” can match a string
containing “^”, and “\\b” can match a
string containing “\b”.
Multiple-screen output
When there is a lot of information to be output, the system displays the information in multiple screens.
Generally, 24 lines are displayed on one screen, and you can also use the
screen-length
command to
set the number of lines displayed on the next screen. (For the details of this command, refer to
Login
Commands
in the
System Volume
.) You can follow the step below to disable the multiple-screen output
function of the current user.
To do… Use the command… Remarks
Disable the
multiple-screen
output function
of the current
user
screen-length disable
Required
By default, a login user uses the settings of the
screen-length
command. The default settings of the
screen-length
command are: multiple-screen output
is enabled and 24 lines are displayed on the next
screen.
This command is executed in user view, and
therefore is applicable to the current user only. When
a user re-logs in, the settings restore to the system
default.
Display functions
CLI offers the following feature:
When the information displayed exceeds one screen, you can pause using one of the methods shown
in
Table 9-6 .