cp dev null

1.Linux composition kernel, shell, tool program has Sh.bashAn example!#/bin/bashEcho 'Before execution chmod +xExecution./2. a little trick cp/dev/null/var/log/apache2/access.logUse/dev/null to apache2 log files in the clear sky Note: Think of

When the Oracle software is installed, the/dev/null0 file is created.Reference text:File/dev/null0 is Created after installation of Oracle software (Doc ID 1322550.1)Suitable for:Oracle database-enterprise edition-version 10.2.0.1 and

[Translated from mos] When Oraclesoftware is installed, the/dev/null0 file is created.When Oracle software is installed, the/dev/null0 file is created.Reference Original:File/dev/null0 Is Created After Installation Of Oracle Software (Doc ID 1322550.

[Translated from mos] When Oracle software is installed, the/dev/null0 file is created ., Mosnull0When Oracle software is installed, the/dev/null0 file is created.Reference Original:File/dev/null0 Is Created After Installation Of Oracle Software

####### Happy weekend! ####### ### Search and clear files and folders from the sea. For the column spaces, refer to Haha, ^_^ ### ####### Gold coins are not required, even though they are still poor, \ (^ o ^ )/~ ###### I. Three Methods for

This article from the csdn blog, reproduced please indicate the source: http://blog.csdn.net/z2007b/archive/2011/05/19/6432997.aspx //************************************** ***************   Linux Kernel Lecture Hall (1) cornerstone Driver Model for

Document directory Unzip the tar command in Linux Find-name 'xixi. php' | xargs Perl-pi-E's | Hello | AA | G' Find-name '*. html' | xargs Perl-pi-E's | AA | Hello | G' Find-name '*. HTML '| xargs Perl-pi-E's | | G' (Note: It seems that only

Linux environment variables, cp,mv command, More,less,cat,tail,head, use[Email protected] ~]# cp/usr/bin/ls/tmp/[Email protected] ~]# path= $PATH: Use of/tmp/path[Email protected] ~]# echo $PATH/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/

The following script backs up all source files to be edited to the bak directory, and keeps all paths unchanged. for example, vietchosts copies etchosts to baketchosts. Ca The following script backs up all source files to be edited to the/bak

The following script backs up all source files to be edited to the/bak directory, and keeps all paths unchanged, such as vi/etc/hosts, copy/etc/hosts to/bak/etc/hosts. # Cat/sh/vii #! /Usr/bin/bash # Check whether the source file exists before