English title: Useful one-line SCRIPTS for SED (Unix stream editor)Original title: HANDY one-liners for SED (Unix stream editor) Finishing: Eric pement-e-mail: pemente[at]northpark[dot]edu version 5.5Translator: Joe-e-mail: hq00e[at]126[dot]com The
60 required commands in Linux (5)-60 required commands in Linux: system security commandsAlthough Linux is a multi-user system like Windows NT/2000, there are many important differences between them. For many administrators who are used to Windows,
Process processing functions
1. Process Start functionFunction name EvalCall Syntax eval (string)The commentary considers a string as a Perl statement execution.When executed correctly, the system variable $@ is an empty string, and if there is an
I. Process processing functions
1. Process startup Function
Function Name eval
Call the syntax eval (string)
Describe the stringPerlStatement execution.
After the command is correctly executed, the system variable $ @ is an empty string. If an error
Perl Common function set 2
I. Process processing functions1. Process startup FunctionFunction Name evalCall the syntax eval_r (string)The description regards string as a Perl statement execution.After the command is correctly executed, the
Function Name
Pack
Call syntax
Formatstr = pack (packformat, list );
Explanation
Converts a list or array to a simple variable in the format used by programming languages such as the
Pydoc
Ka-ping Yee has created a fairly famous module named Pydoc (in comparison: Pydoc can do anything perldoc can do, and do better and more beautiful:-). For Python 2.1来, Pydoc (and inspect that it supports) is part of the standard library. For
Because you often work under Linux, so many times you need to send your work reports or other useful stuff to the people involved, so take the time to study how to send mail under Linux. We can usually use the following 3 to send the way:
1. Use
Important commands required for LinuxAuthor: Cao yuan, his posting date: 2004.12.16From: http://www.ccidnet.com In the previous sections, we have divided Linux commands into several parts based on their functions in the system. However, there are
Title: Linux must learn 60 commands (6)-Other
Linux must learn 60 commands: OtherImportant commands that Linux must learn (1)Author: Cao Yuan its dispatch time: 2004.12.16In the previous lecture, we introduced the Linux commands into several parts,
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