Linux basic commands

Linux basic commands





cal    :  Command to see calender for any specific month or a complete year


date   :  displays the current date


echo   :  Print message on the terminal


bc     :  A text based calculator


xcalc  :  is graphical based calculator


passwd :  allows you to change your password


who    :  tells you the users currently logged on to system


man    :  displays the documentation for a command


chmod  :  Changing the permissions of the file


chown  :  command is used for changing the ownership and group of a file


rm     :  used to delete files


mkdir  :  used to create directory


rmdir  :  used to remove directory


cp     :  copy the files


mv     :  moving files its like a cut command


cat    :  used to display content of a small file


tac    :  used to display content of a file in reverse manner


wc     :  used to count words in a file


cmp    :  used to compare files


comm   :  it displays the common between to files


gzip   :  used to compress the file


gunzip :  used to uncompress the file


tar    :  used to create archive


zip    :  used to archiving as well as compressing


head   :  displays the top of the file


tail   :  displays bottom of the file


sort   :  ordering a file


grep   :  search for a pattern

Linux basic commands