20 Linux command | Linux command list | Linux command for daily use | Linux command for beginner
In this post we will get most common and import some command of Linux. Each and every command useful for beginner. All command are simple and small command that's why easy to remember and use.
Follow this post and try to use every Linux command in your system. If you need more info or you have any suggestion about this Linux command post then please comment your opinion below.
cd
This command used for entering to a directory. Image showing cd command to enter "home" directory
ls
command used to check detail into your current directory.
Image showing we are checking detail of our current directory home.
pwd
command to show your current directory path. Image showing my current directory (appsutil)
path is /u01/DB/12.1.0/appsutil
cd ..
command using to go previous directory or to take a
back step. For more understanding see the below image
free ram
you can use the Linux command free ram to check ram
status in your system. Some more similar commands you can use. I’m writing below
some more similar commands. Check images also.
Free –m
free –g
shutdown
this is the command to shut down your system
df -hT
This command will show you all details of your storage that is used and available. follow the heading then you will find File type, mount info, used, available and total size etc
cp
to copy any file or directory you can use the command. If
you are copying a directory then use –r. see the image.
mv
this command for moving any file or directory from one
location to another location in your system. And mv command can be used to
rename any file or directory. For more understanding please check the below
image
rm
this command is using for deleting anything. If you are
deleting any directory then use –rf also.
clear
to clear your terminal then use this command. See
below image.
du –sh if you are trying to know the total size of your
current directory the use like below image.
vi to open a file you can use the vi command.
cat the command cat can help you to read the in same screen.
It will not open in another different screen.
mkdir
is using to make a directory. See below image there we made xyz directory by
using this mkdir command
history this is one of most helpful command for beginner.
You can find all of your previous command that you have been used.
chmod is a command to give read write and execute
permission. In this below image we are giving the permission to APPS directory.
chown
this command for giving ownership to a user and group
for a directory.
su
to change a user mode then use this command. In this
below image we were in root user. Then we used su command to go to appsdba user
mode.
reboot
it’s a simple linux command to restart your system.
For more commands and more info about linux and oracle please follow our blog. We will be here again with more knowledge of linux and oracle apps dba.
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