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materjalid:linux_basics

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materjalid:linux_basics [2019/04/25 10:07] – lucianomaterjalid:linux_basics [2019/04/25 13:40] (Hetkel kehtiv) – luciano
Rida 1: Rida 1:
-====== Linux basics tasks 1 ======+====== Linux basics tasks ======
 ===== Intro ===== ===== Intro =====
 __First commands:__ __First commands:__
Rida 29: Rida 29:
  
 You can use the "pwd" or "ls -a" command to see the address of the directory. You can use the "pwd" or "ls -a" command to see the address of the directory.
- 
- 
-====== Linux basics tasks 2 ====== 
  
 **touch** **touch**
Rida 95: Rida 92:
  We go to the root folder, and inside etc, we look for all the folders that have the name "hosts"   We go to the root folder, and inside etc, we look for all the folders that have the name "hosts" 
  
-====== Linux basics tasks 3 ======+Optional: 
 + 
 + Create a script, which when executed, will print the result directly from having searched for "hosts" 
 + The name for the script is script1.sh 
 + 
 +===== Redirection ===== 
 + 
 +**cat** 
 + If you use the cat command, without specifying any site, you can write in it, it will return what you are saying. 
 + 
 +(to exit you will have to press the ctrl + d) 
 + 
 +===== Redirecting the Output===== 
 + 
 + We use the > symbol to redirect the output of a command. 
 + 
 +Example: 
 +   cat > potato 
 +   (now you write what you want and when you finish press ctrl + d) 
 +   what you have written in the potato file will be printed 
 +    
 +===== Task ===== 
 + 
 +Use the cat command to create a file (for example list1) where you keep the name of about 3 fruits. 
 + 
 +===== Appending to a file ===== 
 + 
 +We use the symbol >> to add more elements to the file list without deleting the previous ones. 
 + 
 +===== Task ===== 
 + 
 + Add 3 more fruits to list1 and create another file called list2 where you put another 4 fruits. 
 +  
 + Now you will have to join all the fruits in a file called biglist only using the commands that you have learned. 
 + 
 +===== Redirecting the Input ===== 
 + 
 +**sort** 
 + 
 +The command sort alphabetically or numerically sorts a list. 
 + 
 +===== Task ===== 
 + 
 + Use the sort command to sort alphabetically the fruits that you have put in biglist, once you have it, save the result in another file called sortbiglist 
 + 
 +===== Wildcards ===== 
 + 
 +The character * is called a wildcard, and will match against none or more character(s) in a file (or directory) name. For example, in your unixstuff directory, type 
 + 
 +   ls list* 
 + 
 +This will list all files in the current directory starting with list.... 
 + 
 +Try typing 
 + 
 +   ls *list 
 + 
 +This will list all files in the current directory ending with ....list
  
  
materjalid/linux_basics.1556176053.txt.gz · Viimati muutnud: 2019/04/25 10:07 persoon luciano