Linux

Write a script that, after execution, prints a line that says "Please input a number:", asks the user to enter a value, prints out the value, and then asks the user to enter the value again. Until the user enters "end" to stopDescription: 1.unset

Shift+ctrl+t: New tab pageSHIFT+CTRL+W: Close tabCtrl+pageup: Previous tabCtrl+pagedown: Next tabShift+ctrl+pageup: Tab Shift leftShift+ctrl+pagedown: Tabs Move RightALT+1: Switch to tab page 1ALT+2: Switch to tab page 2ALT+3: Switch to tab page

Du can see the size of files and folders, DF mainly look at the size of the database, see the partition of disk usage, LS can add-h parameter, so we see the file sizeDF can view the first-level folder size, usage scale, file system and its hang-in

Vmware10+redhat9When loading the second Ren image file, the following prompt appears: Unable to open the Xpdf-2.01-8 package ...Workaround:VMware, virtual machine, settings--hardware->cd/dvd The drive letter F: Automatically detects or automatically

"Copyright Notice: respect for the original, reproduced please retain the source: blog.csdn.net/shallnet or .../gentleliu, the article is for learning communication only, do not use for commercial purposes" the previous section said using the Kill

#!/bin/shExport back_date= ' DATE +%y%m%d 'Export Backup_path=/home/oracle/dbbakecho ' Mkdir-p ${backup_path}/archivelog/${back_date} 'Rman msglog= $BACKUP _path/archivelog/${back_date}/arch_0_$back_date.log Connect target/;Delete Expired Archivelog

Knock it out manually, as a memory enhancement/: File System entry, also highest level directory/bin: The most basic and anxious users and ordinary users can use the command placed in this directory, such as: LS, CP, etc./ boot: The files required

PVPVCREATE/DEV/SDANPVs # #简单查看 # #PVDISPLAY/DEV/SDAN # #详细查看 # #VgVgcreate name/DEV/SDAnVgdisplay nameVgremove Name    first Pvmove/dev/sdan       then vgreduce name/dev/sdan        last pvremove/dev/sdan vgextend name/DEV/SDAn LvLvcreate-l

Setenv lc_ctype en_US. UTF-8 Defutf8 on termcapinfo xterm ' hs:ts=\e]2;:fs=\007:ds=\e]2;screen\007 ' # does not display the Welcome screen at startup Startup_ Message off # screen buffer 1024 lines. defscrollback 10240 # Displays the

Linux tee, linuxtee The tee command transmits the standard input information to the file. The linux help documentation is as follows: Tee: reads and writes data from standard input to standard output and files. Command Format: tee [Option]

Linux Learning (3) Tools in linux Generally, there is a printscreensysrq key on our keyboard. in windows, we can press this key to take a screenshot. It captures the entire screen. in linux, I tried it, you can also try to capture the full screen.

Linux kernel update error: update-initramfs: failedb solution, 3194 error Solution Environment: Win7 and Ubuntu dual systems. Background and solution: Two days ago, I found that the/home directory was full, and then I used gparted tool in Ubuntu to

(Zz) linux awk, zzlinuxawkBlog reposted from http://www.cnblogs.com/ggjucheng/archive/2013/01/13/2858470.html Thank you, original author. The organization is clear and easy to understand. The command line is correct. Introduction Awk is a powerful

Added the topic for system startup and Shutdown (LinuxMint) /*************************************** ******************************* Author: samson * Date: 11/21/2014 * Test platform: * 3.20.- 24-generic * GNU bash, 4.3.11 (1) -release ***********

Linux script exercises Example 1: write a script and use the loop and continue keywords to calculate the sum of the three divisible numbers within 100 Running result: Example 2: write a script and use the loop and continue keywords to

Analysis on the creation of Linux threads This article first uses the interface pthread_create to create a thread, and uses the strace command to track the steps for the interface pthread_create to create a thread and the system calls involved, and

Ubuntu Firefox uses the conventional method to install Flash Player. I have seen a lot of friends on the Internet about how to install flashplayer on ubuntu! But I cannot install the operating system! I am very worried! However, I saw another friend'

RedHat6 Network Configuration 1) configure the IP address Edit/etc/sysconfig/network-scripts/ifcfg-eth0 (different NICs are ifcfg-eth ?) A) static IP Address DEVICE = eth0 HWADDR = 00: 0C: 29: F3: 13: 87 TYPE = Ethernet UUID = 24b0bad9-c606-4498

How to install gdb 7.6.1 on CentOS 1. Uninstall the old version of gdb if any Rpm-qa | grep gdb Rpm-e -- nodeps gdb-7.2-60.el6_4.1.i686 2. Install the Texinfo Document System Yum install ncurses-devel 3. Download the source code package of

Use jfreechart in linux Use jfreechart to generate images. in windows, there is no problem. In linux, cocould not initialize class org. jfree. chart. JFreeChart JFreeChart cannot be initialized by default in linux. The Headless mode is a system