[[email protected] ~]# ntpq ntpq> peers remote refid st t when poll reach delay offset jitter ============================================================================== +gus.buptnet.edu 202.112.10.60 3 u 17 64 377 88.144 32.547 5.601 +ntp.verd.co.id 202.162.32.12 3 u 85 64 336 209.770 4.300 167.134 *ktdns.cdnetwork 131.107.13.100 2 u 10 64 377 70.834 33.196 20.738 ntpq> ? ntpq commands: :config delay mreadvar readlist addvars exit mrl readvar associations help mrv rl authenticate host ntpversion rmvars ntpq> q [[email protected] ~]# [[email protected] ~]# sqlite3 SQLite version 3.6.20 Enter ".help" for instructions Enter SQL statements terminated with a ";" sqlite> .help .backup ?DB? FILE Backup DB (default "main") to FILE .bail ON|OFF Stop after hitting an error. Default OFF .databases List names and files of attached databases .dump ?TABLE? ... Dump the database in an SQL text format sqlite> .quit [[email protected] ~]# [[email protected]84-monitor ~]# mysql -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1119677 Server version: 5.1.73 Source distribution mysql> ? mysql> quit Bye [[email protected]84-monitor ~]# -bash-3.2$ sqlplus / as sysdba SQL*Plus: Release 11.2.0.1.0 Production on Thu Feb 26 15:17:18 2015 Copyright (c) 1982, 2009, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP, Data Mining and Real Application Testing options SQL> ? HELP ---- Accesses this command line help system. Enter HELP INDEX or ? INDEX for a list of topics. You can view SQL*Plus resources at http://www.oracle.com/technology/tech/sql_plus/ and the Oracle Database Library at http://www.oracle.com/technology/documentation/ HELP|? [topic] SQL> quit Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP, Data Mining and Real Application Testing options -bash-3.2$ [[email protected]84-monitor ~]# php -a Interactive shell php > php > b tab两次 BadFunctionCallException BadMethodCallException base64_decode base64_encode base_convert basename bin2hex bind_textdomain_codeset bindec bindtextdomain bzclose bzcompress bzdecompress bzerrno bzerror bzerrstr bzflush bzread bzwrite bzopen php > b php > quit [[email protected]84-monitor ~]# [[email protected]84-monitor ~]# python Python 2.6.6 (r266:84292, Jan 22 2014, 09:42:36) [GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> help Type help() for interactive help, or help(object) for help about object. >>> help() Welcome to Python 2.6! This is the online help utility. If this is your first time using Python, you should definitely check out the tutorial on the Internet at http://docs.python.org/tutorial/. Enter the name of any module, keyword, or topic to get help on writing Python programs and using Python modules. To quit this help utility and return to the interpreter, just type "quit". To get a list of available modules, keywords, or topics, type "modules", "keywords", or "topics". Each module also comes with a one-line summary of what it does; to list the modules whose summaries contain a given word such as "spam", type "modules spam". help> q You are now leaving help and returning to the Python interpreter. If you want to ask for help on a particular object directly from the interpreter, you can type "help(object)". Executing "help(‘string‘)" has the same effect as typing a particular string at the help> prompt. >>> exit() [[email protected]84-monitor ~]#
时间: 2024-10-15 05:28:14