1 00:00:00,270 --> 00:00:05,010 Hello, everyone, welcome back to another lecture in this lecture, we are going to see one of the 2 00:00:05,010 --> 00:00:10,280 most frequently used come on and one of the most important come on Linux operating system. 3 00:00:10,650 --> 00:00:14,960 So the common name is Change Directory, which is also called acidy. 4 00:00:15,600 --> 00:00:17,250 So now let's start with that. 5 00:00:18,260 --> 00:00:23,900 Siri, what does it mean, change directory and actress to follow? 6 00:00:23,930 --> 00:00:30,620 OK, so as we all know that saynow so simply it is used to change territories from the terminal. 7 00:00:30,950 --> 00:00:35,370 So if you want to change the status of the terminal, so you simply use Siri, come on. 8 00:00:35,730 --> 00:00:41,660 OK, so if you want to see suppose that I want to change the supposed currently I'm working on let's 9 00:00:41,660 --> 00:00:43,160 see candymaker unmistakably. 10 00:00:43,340 --> 00:00:44,750 So currently I'm working on home. 11 00:00:45,290 --> 00:00:50,060 Now I want to change this particular directory into ATC, which is nothing. 12 00:00:50,060 --> 00:00:55,310 But it it contains a Linux system, configuration files, HTC, Siri. 13 00:00:55,310 --> 00:00:57,270 I want to change it to LDC. 14 00:00:57,510 --> 00:01:01,750 OK, so I want to change directory to Etsy. 15 00:01:01,760 --> 00:01:03,160 So what does it mean? 16 00:01:03,380 --> 00:01:10,160 I want to change the directory to DC and this is the place where it contains that linear system configuration 17 00:01:10,160 --> 00:01:10,500 files. 18 00:01:10,790 --> 00:01:12,290 What what does it contain? 19 00:01:12,290 --> 00:01:15,780 It contains configuration files of Linux operating system. 20 00:01:16,160 --> 00:01:21,680 Now what you need to do, it is simply this will be the syntax code and this is the place or this is 21 00:01:21,680 --> 00:01:23,780 the part where I want to go in. 22 00:01:23,960 --> 00:01:26,420 OK, so now simplify it into software. 23 00:01:26,660 --> 00:01:30,160 And as you can see that you can see this particular thing. 24 00:01:30,170 --> 00:01:33,920 So this is indicating that currently I'm on Etsy. 25 00:01:34,250 --> 00:01:43,040 So suppose that if you want to see OK, so before going to it I want to see in it or not. 26 00:01:43,400 --> 00:01:50,270 So how you can see that what you need to do here is simply type BWV and tend to solve. 27 00:01:50,600 --> 00:01:57,080 And as you can see that currently, I mean this particular directive, which is Etsy, which contains 28 00:01:57,080 --> 00:02:00,270 the leanest configuration wise, is this clear? 29 00:02:00,590 --> 00:02:02,950 Now, I think this thing is very clear now. 30 00:02:02,980 --> 00:02:10,730 I suppose that you want to go back or in other words, I can see that suppose you want to move one level 31 00:02:10,730 --> 00:02:14,010 up, because initially we were in this. 32 00:02:14,040 --> 00:02:15,440 So this is one level up. 33 00:02:16,100 --> 00:02:16,840 This is the level. 34 00:02:16,850 --> 00:02:18,180 OK, so this is the level. 35 00:02:18,440 --> 00:02:21,100 Now, you got into this particular directory. 36 00:02:21,120 --> 00:02:22,260 So this is one level down. 37 00:02:22,490 --> 00:02:27,230 OK, this is one level down because you got here from here. 38 00:02:27,290 --> 00:02:31,440 OK, so now suppose that you want to go back one level up. 39 00:02:31,470 --> 00:02:33,230 So how you can do that. 40 00:02:33,560 --> 00:02:36,640 Suppose that you want to go one level up. 41 00:02:36,860 --> 00:02:43,450 So what do you need to do here is simply type code code and with this piece two dots. 42 00:02:43,790 --> 00:02:51,590 So what it will do, it will move you one level up off the hitting enter, as you can see, that are 43 00:02:51,590 --> 00:02:53,870 inside the root of the file system. 44 00:02:53,990 --> 00:02:55,850 So we are in the place. 45 00:02:56,270 --> 00:03:01,020 BWB So our building enter, you can see that we are in this place. 46 00:03:01,360 --> 00:03:05,080 OK, so this is how you can work with the support that you want to move to level. 47 00:03:05,100 --> 00:03:10,120 OK, so what you can do, you can you double the suppose that you want to move three level up. 48 00:03:10,130 --> 00:03:11,040 You can do that. 49 00:03:11,420 --> 00:03:12,780 So this is how it works. 50 00:03:12,800 --> 00:03:14,810 And guys, I hope you understand this. 51 00:03:14,810 --> 00:03:20,480 And this is the most important command that you are going to use very frequently while using Linux operating 52 00:03:20,480 --> 00:03:20,970 system. 53 00:03:21,350 --> 00:03:22,710 So this is all for this little guy. 54 00:03:22,730 --> 00:03:23,750 He'll be getting a standard. 55 00:03:23,750 --> 00:03:25,160 And thank you for doing this lecture.