Difference between revisions of "This Is Your Brain On Informatics: Linux"

From Pathology Education Instructional Resource
Jump to: navigation, search
(Created page with "Command Description cat [filename] Display file’s contents to the standard output device (usually your monitor). cd /directorypath Change to directory. chmod [options] mo...")
 
 
(25 intermediate revisions by the same user not shown)
Line 1: Line 1:
Command Description
+
Linux is a powerful developer operating system that can be quite confusing at times.  This can include but is not limited to using the system (?), setting up a network, and finding important files. Please see below for help on various subjects in Linux.
cat [filename] Display file’s contents to the standard output device (usually your monitor).
+
 
cd /directorypath Change to directory.
+
*[[This Is Your Brain On Informatics: Linux Commands|Using the System]]
chmod [options] mode filename Change a file’s permissions.
+
*[[This Is Your Brain On Informatics: Common Pathnames|Common Pathnames]]
chown [options] filename Change who owns a file.
+
*[[This Is Your Brain On Informatics: Network|Setting up the Network]]
clear Clear a command line screen/window for a fresh start.
+
*[[This Is Your Brain On Informatics: DenyHosts|Working with DenyHosts]]
cp [options] source destination Copy files and directories.
+
 
date [options] Display or set the system date and time.
+
 
df [options] Display used and available disk space.
+
{{This Is Your Brain On Informatics}}
du [options] Show how much space each file takes up.
+
 
file [options] filename Determine what type of data is within a file.
+
[[Category:This Is Your Brain On Informatics]]
find [pathname] [expression] Search for files matching a provided pattern.
 
grep [options] pattern [filesname] Search files or output for a particular pattern.
 
kill [options] pid Stop a process. If the process refuses to stop, use kill -9 pid.
 
less [options] [filename] View the contents of a file one page at a time.
 
ln [options] source [destination] Create a shortcut.
 
locate filename Search a copy of your filesystem for the specified filename.
 
lpr [options] Send a print job.
 
ls [options] List directory contents.
 
man [command] Display the help information for the specified command.
 
mkdir [options] directory Create a new directory.
 
mv [options] source destination Rename or move file(s) or directories.
 
passwd [name [password]] Change the password or allow (for the system administrator) to change any password.
 
ps [options] Display a snapshot of the currently running processes.
 
pwd Display the pathname for the current directory.
 
rm [options] directory Remove (delete) file(s) and/or directories.
 
rmdir [options] directory Delete empty directories.
 
ssh [options] user@machine Remotely log in to another Linux machine, over the network. Leave an ssh session by typing exit.
 
su [options] [user [arguments]] Switch to another user account.
 
tail [options] [filename] Display the last n lines of a file (the default is 10).
 
tar [options] filename Store and extract files from a tarfile (.tar) or tarball (.tar.gz or .tgz).
 
top Displays the resources being used on your system. Press q to exit.
 
touch filename Create an empty file with the specified name.
 
who [options] Display who is logged on.
 

Latest revision as of 02:29, 19 March 2014

Linux is a powerful developer operating system that can be quite confusing at times. This can include but is not limited to using the system (?), setting up a network, and finding important files. Please see below for help on various subjects in Linux.