1 00:00:00,600 --> 00:00:07,350 Not with this time to start with the basic comments, the first comment, which is the Alaska Alliance, 2 00:00:07,710 --> 00:00:11,820 which is listing the flights or listing objects, heritage, whatever. 3 00:00:11,970 --> 00:00:17,630 So if I OK, here you can see that I have the workspace directory, remote DeJohn, whatever it remoting 4 00:00:17,640 --> 00:00:18,710 directory and so on. 5 00:00:18,900 --> 00:00:21,750 By the way, that victory means folder in Windows. 6 00:00:22,110 --> 00:00:28,720 So if you are coming from Windows directory for Linux and Windows for Windows, it is called for. 7 00:00:28,980 --> 00:00:29,390 OK. 8 00:00:29,520 --> 00:00:32,530 Anyway now to see where I am currently. 9 00:00:32,550 --> 00:00:32,790 Yeah. 10 00:00:32,790 --> 00:00:35,670 You can see that I have this tilde and this still. 11 00:00:35,670 --> 00:00:42,270 That means that the current home directory for the current user, which is the user. 12 00:00:42,420 --> 00:00:48,840 So you can see that from the prompt here we have the Ubuntu, which is the user at that name of the 13 00:00:48,840 --> 00:00:55,620 IP, the name of the current computer or the sacred server, the name of the workstation, whatever. 14 00:00:56,010 --> 00:01:01,890 OK, so if I typed that P WD, which is the print working directory, you can see that I am inside the 15 00:01:01,890 --> 00:01:02,520 home of. 16 00:01:02,870 --> 00:01:03,330 All right. 17 00:01:03,510 --> 00:01:04,350 So far, so good. 18 00:01:04,920 --> 00:01:10,980 Now with what if I want to change the current directory if I type unless you can use the CD, which 19 00:01:10,980 --> 00:01:15,090 is change directly CD to workspace, for example, let's go to Workspace. 20 00:01:15,360 --> 00:01:20,250 And inside it you can see that we have this specific things, whatever. 21 00:01:20,250 --> 00:01:30,110 OK, which is another directory right now for the as it has a lot more options like l dash l a t h actually 22 00:01:30,180 --> 00:01:32,730 a lot of things, but we will talk about these in a separate. 23 00:01:33,250 --> 00:01:38,670 Not what if I want to see or let's go to another place. 24 00:01:38,670 --> 00:01:41,070 OK, or here like this. 25 00:01:41,310 --> 00:01:44,790 OK, now what if I want to see the content of this remote integer. 26 00:01:44,970 --> 00:01:46,170 But maybe it is a binary. 27 00:01:46,170 --> 00:01:54,860 I think I can see I would use the cat or concatenation two which is the cat cat remoting the dog. 28 00:01:54,900 --> 00:01:56,810 Let's see if that will work. 29 00:01:57,360 --> 00:02:00,570 Yeah, you can see it starts showing the content of this file. 30 00:02:00,570 --> 00:02:06,010 But as you can see, um, because this is a binary file or executable file. 31 00:02:06,030 --> 00:02:09,540 So we cannot see its file as a string. 32 00:02:09,650 --> 00:02:12,050 We will see as arbitrary values. 33 00:02:12,210 --> 00:02:20,160 And again, we have the document and this equipment is used to print the argument or a specific argument. 34 00:02:20,190 --> 00:02:23,450 So, for example, we have environment where we call death, for example. 35 00:02:23,700 --> 00:02:31,950 So if I type equal with Dinnerstein and Beth as a capital, you can see that we are printing the environment 36 00:02:31,950 --> 00:02:33,810 variable Beth, which is something good. 37 00:02:34,500 --> 00:02:41,370 By the way, the best one variable is used to store the location where the binaries are located. 38 00:02:41,610 --> 00:02:45,060 Now, as you can see, the current screen is very messy. 39 00:02:45,070 --> 00:02:48,790 So if I want to clean it, I will use the clear command. 40 00:02:48,900 --> 00:02:50,160 OK, so clear the screen. 41 00:02:51,090 --> 00:02:57,690 All right, now, what if I have this specific command, for example, and I want to see all the options, 42 00:02:57,690 --> 00:03:00,770 the documentation, the manual for it, I would use the man. 43 00:03:01,170 --> 00:03:05,280 OK, so if I type men who can see what manual base do you want? 44 00:03:05,380 --> 00:03:08,370 So if I type men men, which is the manual for the men. 45 00:03:09,800 --> 00:03:14,360 And you can see that, yeah, it will start showing what is the name, which is an interface to the. 46 00:03:15,760 --> 00:03:22,430 To the on line reference manual, and you can see that description options overview, a lot of things, 47 00:03:22,450 --> 00:03:22,930 actually. 48 00:03:23,170 --> 00:03:28,330 All right, so what if I at man with the command they want, which is the last, for example, you can 49 00:03:28,330 --> 00:03:34,300 see that unless it is used to this directory contents and you can see that we have that option, which 50 00:03:34,300 --> 00:03:41,410 is all the almost all the ABC CFD it takes, as you can see, actually, it has a lot of things and 51 00:03:41,530 --> 00:03:45,190 the status, the other bugs, whatever. 52 00:03:45,220 --> 00:03:48,070 OK, so actually everything as a manual will be there. 53 00:03:48,100 --> 00:03:48,510 All right. 54 00:03:48,700 --> 00:03:51,430 Which is the man by using the man. 55 00:03:51,430 --> 00:03:51,880 Come on. 56 00:03:52,090 --> 00:03:55,240 Know where to find the alleged command. 57 00:03:55,540 --> 00:04:00,650 So I know the command is used to restrain the entry, but where it is located. 58 00:04:00,670 --> 00:04:04,120 So how to know a specific command where it is located. 59 00:04:04,360 --> 00:04:12,190 I will use command code which and this which actually it will tell us where is the boundaries are located. 60 00:04:12,220 --> 00:04:18,780 OK, so if I type men that wish to see, as you can see, it is, it is used to locate a command. 61 00:04:19,090 --> 00:04:25,120 So here which return addresses, names of IFIs or layings which could be executed in the current environment 62 00:04:25,120 --> 00:04:25,450 or whatever. 63 00:04:25,480 --> 00:04:28,080 OK, now let's try to use it. 64 00:04:28,090 --> 00:04:35,420 So which unless oh you can see that that s command is located at that slash spin. 65 00:04:36,880 --> 00:04:41,620 So if I go there, if I type S to that bin, unless. 66 00:04:42,930 --> 00:04:48,210 You can see that here it is here, as you can see, by the way, don't worry about the listing or the 67 00:04:48,220 --> 00:04:48,930 alleged command. 68 00:04:49,170 --> 00:04:56,790 We will have a separate or a complete lecture for the class unless they sell it and see what are those. 69 00:04:56,820 --> 00:05:02,190 So if I type here and as you can see that there are a lot of things, which is the long list, by the 70 00:05:02,190 --> 00:05:03,280 way, long list format. 71 00:05:03,280 --> 00:05:05,050 I can see that a lot of things here. 72 00:05:05,070 --> 00:05:09,710 What are these what is the what is X what is this object to. 73 00:05:09,710 --> 00:05:10,710 What is this numbers? 74 00:05:10,710 --> 00:05:13,770 What are those numbers that would be discussed in that lecture? 75 00:05:13,800 --> 00:05:21,180 So don't worry, I have for now, but for now, we took a brief about how Linux works and what are the 76 00:05:21,180 --> 00:05:25,230 basic commands that I would use them every day, every moment. 77 00:05:25,420 --> 00:05:28,440 We would continue learning more and more in the next lecture. 78 00:05:28,680 --> 00:05:29,400 Thanks for watching.