There are many distribution of linux is available in market and you will download these at free of cost(open-source). But before using these Operating system you will need to know some common commands of these distributions, if you are beginner and you want to know more about linux and there commands concept then it will be helped you to understand this, more often it will give you control linux with GUI commands line interface (CLI)…

What is Linux ?

Linux is open source Operating System, which is developed by Mr.Linus Torvalds in there computer lab. After that Mr.Linus will open-source it by GNU license and in that license it’s mentioned that you will integrate your code, append , edit, share it with others /friends  by mail etc. share systems. Now a days many distribution are developing many flavor of linux, The flavors depending on there kernel version + GUI version most of time the bug/debugging base new Linux will developed .

10 Common Commands

1. ls Command

The command “ls” stands for (List Directory Contents), List the contents of the folder, be it file or folder, from which it runs.

gdjkj@dev:~$ ls
Desktop Documents
Downloads Music 
Videos com.c~ examples.desktop Pictures

2. rm COMMAND

The command “rm” (Remove ), remove the contents of the folder, be it file or folder, from which it runs.

gdjkj@dev:~$ ls
Desktop Documents
Downloads Music 
Videos com.c~ examples.desktop Pictures 
gdjkj@dev:~$ rm com.c~
Desktop Documents
Downloads Music 
Videos examples.desktop Pictures

3. Pwd COMMAND

The command “pwd” (print working directory), print the working directory path.

gdjkj@dev:~$ pwd
   /home/user

4. cd COMMAND

The command “cd” (change directory), change the working directory path.

gdjkj@dev:~$ cd Desktop
gdjkj@dev:~/Desktop$

5. cal COMMAND

The command “cal” (calendar) command allows a print the current year & month calendar.

gdjkj@dev:~$ cal
 February 2015 
Su Mo Tu We Th Fr Sa 
 1 2 3 4 5 6 7 
 8 9 10 11 12 13 14 
15 16 17 18 19 20 21 
22 23 24 25 26 27 28 

6. Sudo COMMAND

The command “Sudo” (super user do) command allows a permitted user to execute a command as the superuser or another user.

gdjkj@dev:~$ Sudo apt-get install google-chrome
password:

7. date COMMAND

The “date” (Date) command print the current date and time on the standard output, and can further be set.

gdjkj@dev:~$ date
Tue Feb 3 16:40:29 IST 2015

8. cat COMMAND

The “cat” stands for (Concatenation). Concatenate (join) two or more plain file and/or print contents of a file on standard output.

gdjkj@dev:~$ cat smile.txt
~~~~~~~~
AJAY Kumar Maheshwari :)

9. top COMMAND

The “top” command use for print system information as like windows task manager.

gdjkj@dev:~$ top
top - 16:47:18 up 19:33, 2 users, load average: 0.12, 0.26, 0.31
Tasks: 189 total, 1 running, 188 sleeping, 0 stopped, 0 zombie
%Cpu(s): 2.0 us, 1.0 sy, 0.0 ni, 96.8 id, 0.2 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem: 1927628 total, 1377460 used, 550168 free, 33576 buffers
KiB Swap: 5858300 total, 91404 used, 5766896 free. 512612 cached Mem

 PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 
 1498 root 20 0 99160 13016 6680 S 2.0 0.7 8:16.35 Xorg 
 9471 gdjkj 20 0 205160 17352 12672 S 1.3 0.9 0:00.80 gnome-term+ 
 2353 gdjkj 20 0 461580 38104 17532 S 0.7 2.0 8:53.82 compiz 
 8397 gdjkj 20 0 266720 37684 12492 S 0.7 2.0 0:17.29 chrome 
 1095 mysql 20 0 327620 27088 1276 S 0.3 1.4 1:02.52 mysqld 
 2084 gdjkj 20 0 48724 6512 2724 S 0.3 0.3 0:49.32 ibus-daemon 
 2185 gdjkj 20 0 27956 2748 2556 S 0.3 0.1 0:10.44 ibus-engin+ 
 2659 gdjkj 20 0 921680 175996 48452 S 0.3 9.1 26:14.52 chrome 
 6884 root 20 0 0 0 0 S 0.3 0.0 0:06.50 kworker/0:2 
 1 root 20 0 4600 2228 1360 S 0.0 0.1 0:01.67 init 
 2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd 
 3 root 20 0 0 0 0 S 0.0 0.0 0:02.36 ksoftirqd/0 

10. exit COMMAND

The “exit” command use for exit the from the terminal.

gdjkj@dev:~$ exit

Conclusion

when you will know these commands then you can easily handle any Linux distribution/flavor like Debian-Ubuntu, Centos-Open suse  .. Will you like this post then please share and comment it… 🙂