bin card

We are all familiar with the recycle bin in windows. After a file is deleted and put into the recycle bin, it can be restored. The Oracle recycle bin works exactly the same, but there are some differences in implementation details.. In addition, the recycle bin can only recycle tables and related objects, including ind

Use the Oracle recycle bin and the oracle Recycle Bin -- Date: January 1, January 27, 2016-- Author: zhenxing yu Query the recycle bin SELECT * from recyclebin; SELECT * FROM USER_RECYCLEBIN; -- USER_RECYCLEBING and RECYCLEBIN are synonyms, with identical Fields -- Enable or disable the recycle bin-- A: enable/disable

/bin/shwith /bin/bash the distinction, the : intercept string is not POSIX standard.Difference shGeneral set bash of soft chains (symlink)[plain] view plain copy print? Ls-l/bin/sh lrwxrwxrwx 1 root root 4 Sep 04:45/bin/sh, Dash In a generic Linux system (exceptions FreeBSD , OpenB

I had a problem learning Linux today. #!/bin/sh # test.sh username= ' HCBBT ' echo ' My name is ${username}. Call me ${username:0:1}-chan. " This script runs directly to the Times wrong:/test.sh:5:./test.sh:bad substitution.Toss, found that the first line of the interpreter changed to/bin/bash is no problem. So I checked the difference between/bin/sh and/

The same shoes that used Keil know that now the Keil can be output by default. AXF debug files and the. Hex executable file that can be checked for output, there is no output option for the bin (binary) file. However, there are times when it is necessary or customary to use the. bin file for Burn-write, one example below:1. users who have been using ads habitually use the.

The directory of four applications that we often use under Linux is:/bin,/sbin,/usr/bin,/usr/sbinBin:The bin for binary shorthand mainly places some of the system's necessary execution files such as: Cat, CP, chmod DF, DMESG, gzip, kill, LS, mkdir, more, Mount, RM, Su, tar, etc./usr/bin:Some of the key applications for application tools include C + +, g++, GCC, C

The first line of the scripting language is to point out that you want the code in your file to run it with whatever executable program it is, so simple#!/usr/bin/python is to tell the operating system to execute the script, call/usr/bin under the Python interpreter;#!/usr/bin/env python is used to prevent operating system users from not loading Python into the d

[Root @ Rac1 11.2.0] #./root. ShPadding Ming root user operation for Oracle 11g The following environment variables are set:Oracle_owner = GridORACLE_HOME =/u01/APP/GRID/11.2.0 Enter the full pathname of the local bin directory: [/usr/local/bin]:Copying dbhome to/usr/local/bin...Copying oraenv to/usr/local/bin...Copyin

In the system we will inevitably delete some useless files, and often useless files are automatically put into the Recycle Bin, sometimes put in the Recycle Bin inside the file you will suddenly find useful, and then can go to find back, very simple. And when you are prompted that the Recycle Bin is damaged, we must solve this problem. 1 Recycle

Today colleague Zhou Bin made a fatal mistake on the server of pre-production environment, colleague Zhou Bin Because colleague Zhou Bin understand some basic operation of Linux command, today he performed on the server of pre-production environment: RM-RF/*, the result almost all things are deleted, I visit when I found the pre-production environment of the s

Recycle Bin used to place our temporary deletion of the file location, the default file deleted will be retained in the Recycle Bin, we need to manually delete it. Recently using the WIN10 system users reflect, in the deletion of a large file, pop-up a dialog box said the file is too large, can only be a thorough deletion of the hint, how to do? The following small series for everyone to bring WIN10 set the

After installing the Zabbix, set the mail script alarm, the sent alarm content becomes tcmime.1278.1278.1724.bin or att00001.bin.Yum-y Install MAILX Dos2unix//Installation MAILX tools and Dos2unix conversion toolsHere is the script content:[email protected] alertscripts]# cat sendmail.sh#!/bin/bash#export LANG=ZH_CN. UTF-8 //solve the problem of sending the Chinese into garbledFile=/tmp/mailtmp.txtecho "$ $

Centos implements the recycle bin mechanism and centos recycle bin Mechanism As an O M personnel, rm * is often directly used to delete files on the server for convenience *. txt and other Wildcards are even added-rf parameters to save trouble. If it is OK, it would be nice. If it is left blank when it is deleted, it would be too big. As the saying goes, there are always wet shoes on the Riverside station,