LINUX COMMANDS LIST DIRECTORY CONTENTS PASSWORD
Perform tasks that require administrative or root permissions.Įxample: Use sudo passwd quincy to change the password of user "quincy". The digits in "777" specify the permissions for user, group, and others, in that order. chmodĮxample: chmod 777 todo.txt will make "todo.txt" readable, writable, and executable by everyone. chownĮxample: chown qlarson todo.txt will make "qlarson" the owner of "todo.txt". catĭisplay the contents of a file on the screen.Įxample: cat todo.txt will show the text of "todo.txt" on the screen. aliasĮxample: alias search=grep will allow you to use search instead of grep. cpĮxample: the command cp todo.txt /home/qlarson/Documents would create a copy of "todo.txt" to the "Documents" directory. clearĬlear a command line screen/window for a fresh start. The -i makes the search case-insensitive. locateĮxample: locate -i vacuum*mop command will search for any file that contains the word "vacuum" and "mop". rmĮxample: rm todo.txt will delete the file. rmdirĬreate an empty file with the specified name. mkdirĮxample: mkdir freecodecamp will make a directory named "freecodecamp". cdĮxample: Change from the current directory to /usr/local with cd /usr/local.Įxample: the command mv todo.txt /home/qlarson/Documents would move "todo.txt" to the "Documents" directory. lsĮxample: ls /applications will display all the files and folders stored in the applications folder. For example, if you type man cat into a linux terminal, you will get more information about the cat command.
LINUX COMMANDS LIST DIRECTORY CONTENTS MANUAL
This will bring up the manual page for a command. You can get more information about any of these commands by using the man command. It's time to learn the common Linux commands.
You can run multiple commands in a single line by separating commands with a.Reuse the previous command in the present command with !!.Quickly move to the beginning or end of a line with ctrl+a and ctrl+e.Use ctrl+r search_term to search commands you have previously used.After you start typing something in the Linux terminal, hit tab and it will suggest possible options that start with the string you have typed so far. Here are some of the most used Linux commands to use in the terminal.įirst, we'll cover some tips that will make the command line easier to use: Linux has a ton of commands, but most people only use a fraction of them.
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