1 00:00:00,750 --> 00:00:06,900 All right, now for the five system, what I want you to learn some of your comments, I would not go 2 00:00:06,900 --> 00:00:08,610 too deep into it, actually. 3 00:00:08,910 --> 00:00:17,280 So we have that the argument, the you command the NSA bulk the list block and we have the amount command, 4 00:00:17,490 --> 00:00:19,080 OK, which is like this. 5 00:00:19,110 --> 00:00:21,570 OK, so let's start with the first three. 6 00:00:22,510 --> 00:00:24,120 Then we will go to the OK. 7 00:00:24,430 --> 00:00:27,320 Now, here we have that option. 8 00:00:28,090 --> 00:00:36,510 OK, so here is if you can see, man, the D.F., you can see to report filesystem this Kucik or disk 9 00:00:36,550 --> 00:00:37,210 space, use it. 10 00:00:37,270 --> 00:00:44,060 OK, so actually this is used to to show all the information about the disk you have or the file system 11 00:00:44,140 --> 00:00:44,410 itself. 12 00:00:44,500 --> 00:00:51,250 So for example, you, you would reveal the size, how much it used, how much it is available and use 13 00:00:51,250 --> 00:00:53,590 in percent and where it is mounted. 14 00:00:53,620 --> 00:00:59,980 OK, so for example for here we have the X VDARE one and the used is one. 15 00:00:59,980 --> 00:01:03,650 Gigha, as you can see, one point two from eight Gigha, OK. 16 00:01:03,670 --> 00:01:08,740 And the available is six point six and it is used only 15 percent. 17 00:01:08,780 --> 00:01:10,990 OK, and you can see where it is mounted. 18 00:01:10,990 --> 00:01:13,600 It is mounted in that which means that everything. 19 00:01:13,750 --> 00:01:15,580 So if I go there like this. 20 00:01:16,510 --> 00:01:25,060 You can see that all of that all of these files or directories are mounted there, or are there existed 21 00:01:25,060 --> 00:01:29,310 on the XviD, a BI system or this volubility? 22 00:01:29,560 --> 00:01:37,270 What if I want to see the size or of this specific file or directly OK, or all the files inside this 23 00:01:37,270 --> 00:01:42,010 demitry, we would use the disk, you or the you, the disk utilization. 24 00:01:42,100 --> 00:01:46,900 So for example, you can see that we have this in it are the image, that image, whatever. 25 00:01:46,930 --> 00:01:49,470 OK, so do you dash. 26 00:01:50,440 --> 00:01:57,580 And by the way, if you notice that I type that dash here and that the options as well, that means 27 00:01:57,850 --> 00:01:59,420 that the human readable. 28 00:01:59,470 --> 00:02:04,270 So as you can see, it is as you can see, the size is in megabyte, in gigabyte. 29 00:02:04,270 --> 00:02:05,620 Instead of typing it as a. 30 00:02:05,950 --> 00:02:06,200 OK. 31 00:02:06,490 --> 00:02:09,400 Because if you saw like this, let's return back here. 32 00:02:09,590 --> 00:02:15,030 So if I typed the dash at all without the search, I mean, this time you can see that the. 33 00:02:15,070 --> 00:02:15,550 You did. 34 00:02:15,880 --> 00:02:16,270 Yeah. 35 00:02:16,270 --> 00:02:19,570 Here that you this is four hundred fifty seven megabytes. 36 00:02:19,570 --> 00:02:25,230 But here is a very long number and you don't need to divide by byte or by terabyte. 37 00:02:25,240 --> 00:02:28,180 And this is not not readable so much like that. 38 00:02:29,150 --> 00:02:32,220 OK, so that's why we use the dash at auction. 39 00:02:32,470 --> 00:02:35,110 So for you again, let's return to our example. 40 00:02:35,170 --> 00:02:36,380 Let's return to the deal. 41 00:02:36,790 --> 00:02:42,640 OK, so the new disk utilization Desh Edge or they're in it are the. 42 00:02:43,630 --> 00:02:48,580 Images like this, and if I click on it, you can see that its size is zero. 43 00:02:48,620 --> 00:02:52,350 OK, well, maybe I should use another one. 44 00:02:52,420 --> 00:02:54,130 It's just this lenience. 45 00:02:55,330 --> 00:02:57,160 This is zero as well. 46 00:02:57,490 --> 00:02:58,780 Yeah, OK, whatever. 47 00:02:58,810 --> 00:03:09,370 Let's go to the here for the file to the you point to OK like this and you can see that it is in for 48 00:03:09,760 --> 00:03:12,710 Kilobyte so its size is four kilobyte. 49 00:03:12,730 --> 00:03:13,200 All right. 50 00:03:13,420 --> 00:03:18,990 So again, without that option like this, you can see that it is for only. 51 00:03:19,000 --> 00:03:20,800 So actually this is not really. 52 00:03:21,020 --> 00:03:28,230 Now what if I want for example, it's clear the screen, let's cd that OK? 53 00:03:28,240 --> 00:03:28,420 Yeah. 54 00:03:28,420 --> 00:03:33,720 By the way, this is something we didn't talk about actually, which is the DOT directory and the directory 55 00:03:34,000 --> 00:03:36,450 by the way, the directory which means the current data. 56 00:03:36,520 --> 00:03:43,150 I am in the dot dot which means the parent directory because if you noticed, if you type this command 57 00:03:43,150 --> 00:03:46,110 and it means all files. 58 00:03:46,390 --> 00:03:53,950 So if you can see here, you can see that we have these two directories, the one the DOT, which means 59 00:03:53,950 --> 00:03:58,960 the current directory and the the the dot means the parent tree of the current directory. 60 00:03:59,290 --> 00:04:05,350 So if I type the B W.D., the Brint working directory comment, you can see that it is not from the 61 00:04:05,350 --> 00:04:06,850 root the home open-top. 62 00:04:06,880 --> 00:04:10,190 OK, so currently I am inside the Ubuntu directory. 63 00:04:10,240 --> 00:04:16,090 So the dot here means the appointed entity, which is the current directory I am in that there and there 64 00:04:16,480 --> 00:04:17,890 is the home directory. 65 00:04:17,890 --> 00:04:18,360 All right. 66 00:04:18,550 --> 00:04:23,410 As you can see, the owner and the group is route, which means the home Darity, which is something 67 00:04:23,410 --> 00:04:26,800 inside the or for the road user. 68 00:04:27,110 --> 00:04:27,510 Right. 69 00:04:27,730 --> 00:04:35,660 So if I type CD dot to go to the Berent and these are called relative bef actually they are toolbars 70 00:04:35,890 --> 00:04:38,770 absolute back and relax Beth the absolute best. 71 00:04:38,770 --> 00:04:45,180 You put the bad like this, just copy and paste and with the absolute best starting from the root directory. 72 00:04:45,220 --> 00:04:45,670 All right. 73 00:04:45,700 --> 00:04:47,540 Which is in my case here. 74 00:04:47,570 --> 00:04:53,650 But the relative which means that from where I am so that mean, this means that I am using a relative. 75 00:04:53,650 --> 00:04:58,900 Beth OK, so which means the parent type data which means I am in Ubuntu, I will go to the home. 76 00:04:58,900 --> 00:05:01,360 So if I click here and I type. 77 00:05:01,360 --> 00:05:04,540 But again you can see currently I am in that home. 78 00:05:04,960 --> 00:05:11,500 So if I type and as you can see that we have three directory, only the current directory and in my 79 00:05:11,500 --> 00:05:13,740 case here it will be the home directory. 80 00:05:13,750 --> 00:05:17,170 As you can see, the owner is what the group is rude as well. 81 00:05:17,800 --> 00:05:21,070 But the Ubuntu directory here is for the window user. 82 00:05:21,150 --> 00:05:22,680 Alright, alright. 83 00:05:22,780 --> 00:05:25,510 Now what if I want to see the size of this Daltry? 84 00:05:25,660 --> 00:05:32,860 I will use the disk utilization command as well on Ubuntu, but you can see that it show us everything 85 00:05:32,860 --> 00:05:33,250 actually. 86 00:05:33,530 --> 00:05:33,820 Yeah. 87 00:05:33,820 --> 00:05:34,990 Please ignore about this. 88 00:05:35,000 --> 00:05:39,130 Remember when we wanted to not be readable or executable anyway. 89 00:05:39,130 --> 00:05:40,720 It's no big deal. 90 00:05:41,350 --> 00:05:48,460 So you can see that it shows, it shows us everything actually show us the whole size for the whole 91 00:05:48,460 --> 00:05:50,800 directory which is 64 kilowatt. 92 00:05:50,980 --> 00:05:58,870 Now what if I don't need to show all of these options and I want to show only that Ubuntu the size for 93 00:05:58,870 --> 00:05:59,430 the open today? 94 00:05:59,440 --> 00:06:01,420 Actually, as simple as that you will. 95 00:06:01,420 --> 00:06:07,050 But the Dash s option, which is like this X now s means samurai's. 96 00:06:07,060 --> 00:06:09,610 So Samurai's only that directory. 97 00:06:09,610 --> 00:06:11,710 I want it so which is Ubuntu in my case. 98 00:06:11,920 --> 00:06:15,220 So you can see that it was like this right now. 99 00:06:15,220 --> 00:06:16,270 Please ignore about this. 100 00:06:16,270 --> 00:06:21,580 So actually let's remove it or we can change the permission for it, but for now let's remove it. 101 00:06:21,580 --> 00:06:23,610 And it is good exercise for now. 102 00:06:23,620 --> 00:06:27,760 So actually it is a file which means I don't need to provide the best for it. 103 00:06:27,760 --> 00:06:31,930 So if I type it like this, actually I need to remove the text itself. 104 00:06:32,530 --> 00:06:40,270 So if it is a directory, which means that I would dash and yeah, as you can see, if you can see it 105 00:06:40,270 --> 00:06:41,350 is permission denied. 106 00:06:41,770 --> 00:06:42,950 I need to put it out. 107 00:06:43,240 --> 00:06:48,390 If they just didn't want I need to go the studio and it will be removed. 108 00:06:48,400 --> 00:06:57,700 OK, so if I take the commands again, which is the due Desh X as well, you can see that now it is 109 00:06:57,880 --> 00:06:59,920 only summarised for the Ubuntu user. 110 00:06:59,920 --> 00:07:04,360 And as you can see the size is sixty kilobyte now, not sixty four. 111 00:07:05,370 --> 00:07:11,610 As you can see, it has been decreased all right, now, finally, the last option or the last command 112 00:07:11,610 --> 00:07:17,580 we have, which is the mount, as you can see now, actually, it's, what, nine mount to see the would 113 00:07:17,580 --> 00:07:18,080 be for it. 114 00:07:18,240 --> 00:07:20,280 So this is actually to mount a fire system. 115 00:07:20,550 --> 00:07:24,090 So the syntax is like this mount then. 116 00:07:24,090 --> 00:07:26,310 But the options, you want to see the type. 117 00:07:26,610 --> 00:07:35,490 But Dashi and all of that is actually here documented will actually look and see if only that actually 118 00:07:35,880 --> 00:07:36,350 is given. 119 00:07:36,360 --> 00:07:41,130 For example, you can put Mount Dash there or dash, dash, target, whatever. 120 00:07:41,400 --> 00:07:41,710 Right. 121 00:07:42,390 --> 00:07:48,480 And actually this is something used if you want to attach or mount volumes, external volumes, for 122 00:07:48,480 --> 00:07:56,160 example, or you inserted external volumes and you want to mount them here after you add them, for 123 00:07:56,160 --> 00:07:57,410 example, on the reverse. 124 00:07:57,630 --> 00:08:03,480 So, for example, in the US, there is something called Ebb's Elastic Storage, and this is something 125 00:08:03,480 --> 00:08:07,140 to attach another or extra volumes, not the root volumes. 126 00:08:07,320 --> 00:08:14,340 And you want to to mount it when actually I will not go into details into the mount option because they 127 00:08:14,340 --> 00:08:19,470 will give you all the options or all the commands you just copy and paste in there right now in that 128 00:08:19,470 --> 00:08:24,780 case, either as Google Cloud or whatever, OK, they would provide you with all the things you want 129 00:08:25,110 --> 00:08:31,380 so that the mountain just keep in your mind that we will use it for mounting the file system or the 130 00:08:31,380 --> 00:08:32,280 volumes we want. 131 00:08:32,490 --> 00:08:33,080 Just that. 132 00:08:33,570 --> 00:08:33,940 OK. 133 00:08:34,050 --> 00:08:38,430 Now remember remember the format, the syntax, the options. 134 00:08:39,090 --> 00:08:41,400 Just the manual depends on what you need. 135 00:08:41,430 --> 00:08:43,260 OK, I will not talk about it in detail. 136 00:08:43,560 --> 00:08:43,990 All right. 137 00:08:44,220 --> 00:08:44,660 All right. 138 00:08:44,850 --> 00:08:45,640 Thanks for watching. 139 00:08:45,870 --> 00:08:46,760 See you in the next picture.