Cat Ning! ! !
Reference Links: http://linux.vbird.org/linux_basic/0160startlinux.php
Costa Rica is a bird who made great contributions to the development of information technology to China.
1- simple query about, Physical Console / Virtual Console / Terminal is why?
console has "Control Panel" of meaning in it, so you can look like this:
Entity console: screen, keyboard, mouse and other interface entity, putting you can use this feature to the operating system environment, called entity Console (Physical console)
Virtual Console: derived from the virtual console system, you can match your own system entities through the virtual console is equipped to the operating environment of the remote system. Each virtual console is operating independently.
Terminal: You can use the interface to control the system can get a shell environment.
From these, by definition, generally speaking, we have made can interact with the system environment, it is generally referred to as terminal it wants.
2- ask if I log in text mode when Linux host, I have a few terminal interface can be used? How to switch each different terminal interfaces?
A total of six, tty1 ~ tty6, mode switching is Ctrl + Alt + [F1] ~ [F6]
3- Linux systems, / VBird and / vbird whether the same file?
Two different files, because Linux system, uppercase and lowercase letters on behalf of significance is not the same!
4- I want to know how to date to use, how to query?
The easiest way is to use man date or info date to see if there is a complete description of the suite, then you should be able to find the help files in / usr / share / doc inside!
5- I want today to let yourself off the system, how to do 1:30?
shutdown -h 1:30
6- If I Linux's X Window sudden hang problem, but Linux itself is good, then I can press three buttons which allow to restart the X window?
[ctrl]+[alt]+[backspace]
7- I want to know May 2, 2010 is the day of the week? How to do?
The easiest way to directly to find out the calendar in May 2010 of cal 5 2010.
8- use man date and find out the parameters display the current date and time, becoming similar to: 2015/10 / 16-20: 03
date +%Y/%m/%d-%H:%M
9- In terms of X-Window is the default login way, then I ask how to enter the Virtual console it?
Can press the [Ctrl] + [Alt] + [F2] ~ [F6] into the Virtual console (of six); and press [Ctrl] + [Alt] + [F1] return to the desktop in a X-Window !
10- simple description under bash shell environment, [tab] key purpose?
[Tab] key file can be filled or padded as this command, the location of the contact instruction. Then after the first word in a string of instructions, for the order filled, otherwise the file was filled! Now, there are options / parameters padded functions.
11- How to force a break proceedings? (Using keys, using a non-kill command)
You can use [Ctrl] + c to interrupt!
12-Linux provides a considerable number of online inquiries, called the man page, I ask, how do I know how many there are instructions on passwd on your system? Also, you can use other programs to replace the function of this man do?
You can utilize man -f passwd to query, in addition, if there are documents provide the info (at / usr / share / info / directory), you can use it to query info passwd!
13 - when the man, the man page displayed in the content, instruction (or files) will pick behind a set of numbers, if this number is 1, 5, 8, of the query command (or file) indicate why the significance?
On behalf of significance is 1) a general user can use the command or executable file 5) some of the contents of the file format profile management instruction 8) System administrators can use.
The contents of the file 14-man page displayed is placed in what directory?
Placed in / usr / share / man / and / usr / local / man and other default directory.
15 Is this a bunch of command " in foo1 -foo2 foo3 foo4" each mean?
foo1 must command, -foo2 is foo1 select the item parameters of this directive, foo3 and foo4 not necessarily, may be foo1 parameter settings, it may be added additional parameters.
16- When I enter when man date, in my terminal but some garbled, what possible reason why? How to fix?
If no other error occurs, the garbage may occur because of problems caused by language. Can take advantage of export LANG = en_US.utf8 or export LC_ALL = en_US.utf8 and other settings to revise this problem.
17- I type this command " ls -al / vbird," I reply system this result: "ls: / vbird: No such file or directory " May I ask what happened? "
Do not be nervous, very simple English, because there is no system / vbird the existence of this file, ah! ^ _ ^
18 I would like to know the current system is based on how much instruction bz beginning with, how can do?
Direct input bz [tab] [tab] can know!
19- bearing on the question, in many instructions that appears, ask bzip2 is doing with?
In use after man bzip2, to be found, in fact, it is used as a bzip2 compression and decompression of files with!
After 20 inside the terminal login, see the prompt characters $ and # What's the difference? Normal operation should be used?
# Behalf logged in as root, and $ represents the general user's identity. Depending on the prompt words, we can roughly determine the login identity. In general, the recommended daily operations using a general user login identity, that is $!
21 I use dmtsai this account login to the system, I ask if I can use reboot to reboot? If not, please explain why, if you can, please explain how the order is given?
Theoretically reboot only allow root to perform. However, if dmtsai is a sign in front of the main graphical interface, you can still come off dmtsai through a graphical interface features.
Reproduced in: https: //www.cnblogs.com/landesk/p/10925556.html