AdobeReader is the best official free PDF document reader. AdobeReader is a PDF document reader produced by Adobe. It must be the first choice of PDF document reader on Win platform, however, on the Linux platform, many people may not know about the client. The latest version is 9.5.5. Next I will share with you how to use Linux (this article applies to
Adobe Reader is the best official free PDF document Reader. Adobe Reader is a PDF document Reader produced by Adobe. It must be the preferred PDF document Reader on the Win platform, however, on the Linux platform, many people may not know about the client. The latest version is 9.5.5. Next I will share with you how to use Linux (this article applies to
, and it is even worse in Ubuntu.
Today we found two good software, kchmviewer and Foxit reader.
The former is kde, and there is a command in the source:
Sudo apt-get install kchmviewer
As for the latter, I have been using this in Windows, which is small and powerful. I only know today that the Linux version has been released for a long time and is now version 1.1. Although it has not reached the Windows version level, it is very good and very fas
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Execute commands on the terminalBack up the current source list for future recovery as needed:
Sudo CP/etc/APT/sources. LIST/etc/APT/sources. list_backup
Terminal command sudo gedit/etc/APT/sources. List
Delete all the items, select a paste below, and save
Install PDF Reader under UbuntuThere are a variety of PDF readers available under Ubuntu, such as Adobe Reader, Xpdf, and so on, and only the installation methods of Adobe Reader and Xpdf are described below.1 Install Adobe ReaderAdobe Reader can be installed manually, but also automatically downloaded online, but the online download has a flaw is that after the
Install the PDF Reader Okular in Ubuntu
Okular is a common document reader developed by KDE and also a free software. It can run on Linux, Windows, Mac OSX, and other Unix-like systems. It supports various file formats including PDF, XPS, ePub, CHM, Postscript, and more.
The main functions of Okular include:
Embedded three-D Model
Sub-pixel rendering
Table s
We all know that Ubuntu is a Linux system, it is not like windows, it is an open source system, it is always updating its system, so people say that the Linux system is more secure than the Windows system. How do we update the system with Ubuntu commands for our computer security?Tools/Materials
Ubuntu
Me
Summary of commonly used linux commands in ubuntu, and customized tulinux commands
I have been in the lab for nearly a month and barely touched windows. I have been developing it in ubuntu. I would like to summarize the commonly used linux commands.
(0) su and sudo:Get root
Common Ubuntu repair commands 1. Add the ''computer ''main folder'' recycle bin ''icon on the desktop: press ALT + F2, run the program gconf-editor. Open the configuration editor and select apps → nautilus → desktop. Select the check boxes on the sides of computer_icon_visible, home_icon_visible, and trash_icon_visible. The results will be immediately displayed on the desktop. 2. Very useful command for cle
destination file.To transfer the local file Shadowman to your account on Penguin.example.net, type (replace the username with your username) at the shell prompt:
[Email Protected]:/home/username
This will transfer the local file Shadowman to the/home/username/shadowman file on Penguin.example.net.The general syntax for transferring remote files to the local system is:
[Email Protected]:/remotefile/newlocalfile
REMOTEFILE Specifies the source file, Newlocalfile specif
Ubuntu installation system task list
(I have been using Ubuntu for a long time. I have no intention of reading this article. It should be helpful in the future)During the system update process, I saw the list of installation tasks. In practice, it was good. At least I had to finish Chinese Input, compile the developme
commandsLS lists all files in the current directoryLS-A lists all files that contain hidden files (the hidden files in Ubuntu begin with.)Ls-l listing files (including date, size, owner, etc.)Commands can be written together such as: Ls-a-L View all files in a list format=======MV equivalent to clipping MV file pathRM Delete Files RM fileCat Display file content
.
Example:
Tar-CVFA.tarCreate the tar package of file
Tar-tvfA.tarView files contained in the TAR package
Tar-xvfA.tarRelease the tar package file
Tar-RVFA.tar BAdd file B to tarpacket a.tar
Tar-aVFA.tar c.tarAdd the c.tarpackage to the a.tar package
Tar-zcvfA.tar.gzCreate a gzip compressed tar package for file
Tar-ztvfA.tar.gzView the tar Package content of file
Tar-zxvfAa.tar.gzRelease the aa.tar.gz package
Tar-jcvfAa.tar.bz2 AACreate a bzip compressed tar package for
use rm-r .
mkdir : mkdir command to create a directory. For example, mkdir music will create a music directory.
man : The man command is used to display the man pages of other commands. You can view the man's own information by executing man man . You can display more information on a page by using " Man Getting Help".
linux/ubuntu tar command detailed u
this is a tar.bz2 package, such as tar-xjvf myfile.tar.bz2-T -- List objects in the package-- Append parameters when packaging:-R -- append to the compressed package-U -- only append the files updated in the package-H -- add the symbolic link to the file instead of adding it to the package.Additional instructions: tar is a very powerful stuff. Common Operations are package and unpackage. For more information about advanced features, see man =. =.
T
is a powerful text search tool that uses regular expressions to search for matching text for output.
redirect
redirect Hello to the Readme file
echo "Hello" > Readme
Append the 1,2,3 redirect to the Readme file with an append of two > symbols.
echo "1,2,3" >> Readme
Pipeline
Use the output of the previous command as input to the next command, | symbolic link two commands.
user1@web:~$ CAT/ETC/PASSWD | Cut-d:-f1
root
daemon
bin
sys
sync
1. get Ubuntu version number :/etc/issue or Lsb_release-a2. view Ubuntu system bits : Uname-ar or getconf long_bit3. View the processor architecture of the Ubuntu machine as a result of i686 or X86_64:arch or uname-m4. display the current directory contents (catalog list), (if sorted by file change time order, ls-lt av
I. Ubuntu common command ZZ: http://apps.hi.baidu.com/share/detail/9306265Shortcut Key:
* Open the main menu = Alt + F1
• Run = Alt + F2
• Ctrl + H show all hidden files in the window
* Display desktop = CTRL + ALT + d
* Minimize the current window = Alt + F9
* Maximize the current window = Alt + F10
* Close the current window = Alt + F4
* Capture full screen = Print Screen
* Truncate window = Alt + Print Screen
Default special shortcut key
* Show All
installed wine on ubuntu and qq on wine, which often gets stuck, this command is useful at this time. First, find the wine process pidps-le | grep wine and then kill the process. 2518 25287: check the kernel version, uname-a has requirements on the Linux kernel version because it is willing to write software. for example, the nw336v2 Nic I bought has a maximum driver support of 2.6 kernel while the ubuntu
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