Linux Command
- cat =can be used to display file content on to the screen, copy and combine text files.
- cd =Use this to change current Directory.
- chmod =use chomod to change file permission.
- chown =use this to change file owner.
- clear =use this to clear screen for fresh start.
- cp =can be used to copy files and folders
- date =display current system date and time
- df =It display used and available disk space.
- du =It display space taken by each file.
- file =it recognize type of data in any file.
- find =search any term in file.
- free =can be used to dhow
- grep =can be used to searh a string (with pattern also) in a file.
- gzip =to create a compress file with .gz extension
- history =use this to show all executed commands list on the screen.
- kill =can be used to kill any process with the help of process id
- less =can be used to see file content page by page.
- lpr =use to print any file content.
- ls =List the current directory content.
- man =display help for specific command.
- mkdir =can be used to create new directory.
- more =it display file page by page
- mv =it can be used to rename or move files and dir.
- passwd =can be used to change user password
- ps =it display running process with id and other information
- pwd =it shows current user working directory
- rm =can be used to remove files and directories (emptry or non empty)
- rmdir =can be used to remove empty directory
- shutdown =to shutdown machine
- ssh =can be used to connect and login remote machine (encrypted & secure)
- su =can be used to switch to different user
- tail =print last ten lines of any file
- tar =To compress – can be used to create and extract tar file.
- top =to show top process on the based of cpu usage
- unzip =to unzip or uncompress zip file
- wget =to download any file from internet, rename it and store anywhere
- whatis =show any command information in a single line.
- whereis =to find out the location of any command (where it is stored)
- who =to display users information who are currently logged in
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