Code Stuff.

I decided to write down a list of every day commands that I use in the the Bash command line in Linux. This is by no means a definitive list and it will grow as I remember or come across commands that make my life easier

ls

• list information about files in the directory

ls -la

• list information about files in the directory
• -l means long listing format
• -a means list all files including ones that start with .

cd [directory]

• change directory to the specified directory

ps

• snapshot of the current processes

ps -ef

• -e select all processes
• -f full format listing

ps -ef | grep [processname]

• grep for the details of a specific process

alias (usually used in the bash profile to be persisted)

• ll –> ls -la
• Aliases for shortcuts to frequently visited directories
• Aliases to bash scripts I’ve written to automate things like sync’ing a github pages branch with master and pushing to the cloud

source [filename]

• source is a bash shell built-in command that executes the content of the file passed as argument, in the current shell. It has a synonym in ‘.’ (period).

source ~/.bash_profile

• this has the effect of reloading the bash_profile so you don’t have to kill & open the terminal to see changes

&&

• used for tying consecutive commands together
• example $ cd Documents && ls -la

top

• Provides a real time summary of the processes running on your system.
• Can be used to see what’s chewing up memory

Ctrl + R

• Reverse search through your bash command history

sudo

• run command as the superuser

sudo -u [user]

• run command as a different user

sudo !!

• run the last command as super user

vi [file]

• edit the file with vi text editor