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Launch the terminal by pressing Ctrl+ Alt+ T or just click on the terminal icon in the taskbar. Simply type your command whose usage you to know in the terminal with –h or –help after a space and press enter. And you’ll get the complete usage of that command as shown below.
What is the help command Linux?
The help command is a shell built-in internal command. It accepts a text string as the command line argument and searches the supplied string in the shell’s documents.
How do you get a help command in Unix?
Before heading to Google to get help on a particular Unix command, try the following methods, which will give you a comprehensive help on Unix commands.
- Using apropos to search man pages. …
- Read man page of the command. …
- Display Single Line Description About a Unix Command. …
- Use -h or –help option of the command itself.
