This Is Your Brain On Informatics: Linux Commands
General Linux Command Info
- Almost every single command should have an argument (an input for a function)
- A filename in Linux refers to both a file's name and a directory's name
Common Linux Commands
Command | Syntax | Description |
---|---|---|
cat | cat filename | Display file’s contents to the standard output device (usually your monitor) |
cd | cd /pathname | Change to the given directory |
chmod* | chmod options mode filename | Changes a file's permissions. |
chown* | chown private_owner:group_owner filename | Changes ownership of the file |
clear | clear | Clears the screen by scrolling (does not delete anything) |
cp | cp options source destination | Copies a file from the source to the destination |
find | find /pathname string | Starts at the indicated directory and searches for the string in a filename |
grep | grep options pattern filename | Searches for the pattern in the file |
ll | ll /pathname | List Long: lists the details of the entire directory or file indicated |
ln | ln options source destination | Link: creates a shortcut |
ls | ls /pathname | Lists the files and directories in a given directory |