| COMMAND | DESCRIPTION | WHY THE NAME? |
Show help (the manual) | manual | |
Find out where a command is | which location? | |
Find help on any command | help! | |
Stop the current program | ||
Exit the current login shell | ||
Change your password | password | |
Execute a command as a superuser | super-user do | |
Create an SSH connection (a terminal) to a server | secure shell | |
Change the current directory (folder) | change directory | |
List files in a directory | list | |
Make/create a new directory | make directory | |
Print current directory | print working directory | |
Copy files and directories | copy | |
Delete files and directories | remove | |
Print the contents of a file | concatenate | |
Change the permissions of a file or directory | change mode | |
Change the owner and group of a file or directory | change owner | |
Show the difference between two files | difference | |
Show the type of a file | ||
Browse the contents of a file | opposite of 'more' | |
Find files with names matching a pattern | ||
Print the last few lines of a file | tail end (of something) | |
Create a new file or update an existing one | ||
Install and manage packages in Ubuntu | Advanced Package Tool | |
Get a web page or API | client URL | |
Look up DNS information | domain information gather | |
Show your network configuration | IP address | |
Check to see if a server is alive | ||
Terminate a program (process) | ||
Show the top processes | table of processes | |
List running processes | processes | |
Suspend a process | ||
Resume a process | foreground | |
Lists all active jobs (processes) | ||
Show the current date and time | ||
Show free disk space | disk free | |
Show disk space usage | disk used | |
Halt or reboot your machine | ||
Print system information | UNIX name | |
Show how long the system has been running |