This article is a summary of a YouTube video "Linux Sysadmin Basics 02 -- Basic Commands" by tutoriaLinux
TLDR Familiarize oneself with basic Linux commands, such as navigating directories, creating files, and deleting files and folders, while being cautious of potentially destructive commands.
Key insights
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"One of the keys to becoming good at Linux quickly is to use the command line for everything."
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Using the LS command with different flags can provide more specific information about the files and folders in a directory.
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The command "PWD" (print working directory) can be used to quickly determine your current location in the file system.
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Using tab completion can be a helpful shortcut for navigating through directories in Linux.
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"Touch command can be used to create an empty file, like 'touch my_file.txt', and it's an easy way to read text from a file using 'cat' command."
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Copying or moving files, even to a remote machine or server, follows the same formula of specifying the source and the target.
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"It's really really really really really important that you learn to use man man man yeah. It's wonderful. It's like a meta incredible command."
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Using the Linux command "RM RF root" can destroy your entire system, so it should be used with extreme caution.
Spend time using the Linux command line and start by opening a terminal and using the "list" command to acclimatize.
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02:03
The LS command with the -a flag shows all files, including hidden ones, in the directory, where files and folders in Linux can be hidden by starting their names with a dot, and the file system is structured like a tree with a root directory at the base.
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04:47
The shell prompt in Linux shows the current location in the file system, with the default shell being bash, and the dollar sign prompt represents the current location, while the tilde (~) represents the user's home folder, and the PWD command displays the current working directory.
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07:15
Use the "cd" command followed by the directory name to navigate through directories in Linux, and utilize tab completion for faster navigation.
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11:32
To navigate to the home directory in Linux, use "CD tilde" or "CD" without arguments, create an empty file with "touch", read file contents with "cat", and create a directory using "make directory" command.
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15:29
The speaker explains the purpose of an autosave file and demonstrates basic Linux commands for moving, creating, removing, and deleting files and folders.
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20:03
Use "rm" to delete files and directories, and "man" to access the manual page for command instructions.
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23:02
It is important to learn and understand basic Linux commands, such as CD and touch, to navigate and create files, but be cautious with the "rm -rf /" command as it can delete all files and directories in the system.
This article is a summary of a YouTube video "Linux Sysadmin Basics 02 -- Basic Commands" by tutoriaLinux