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https://github.com/chaseofthejungle/bash-commands

Bash commands and keyboard shortcuts for bash, GNU nano, and Vim.
https://github.com/chaseofthejungle/bash-commands

bash bash-commands bash-scripting bash-scripts linux

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Bash commands and keyboard shortcuts for bash, GNU nano, and Vim.

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README 

          
# bash commands and shortcuts 

*Note: If in need of a lightweight Linux distro, consider [Xubuntu](https://xubuntu.org/tour/). An online Fedora 33 bash emulator can also be found at [bellard.org/jslinux](https://bellard.org/jslinux/), although it does not contain all of the commands in this repository. For some sample bash networking scripts, see [this repo](https://github.com/chaseofthejungle/bash-networking-scripts).*

  

#### Table of Contents



1. [bash Commands](#bash-cmds)

2. [bash keyboard Shortcuts](#bash-keys)

3. [Nano Keyboard Shortcuts](#nano-keys)



  

## 1. [bash](https://www.gnu.org/software/bash/) Commands

| Command | Purpose | Category |

| --- | --- | --- |

| **apt-get** | Package managing utility, such as for adding, removing, and updating packages. | Packages |  

| **awk** | [see 'gawk' command] Original interpreter of the AWK programming language. | Text |

| **blkid** | Locates and prints block device attributes. |  Drives/Devices |

| **cat** | Concatenates files. Prints using standard output stream. | Text |

| **cd** | Changes directory. | Files/Directories |

| **chgrp** | Changes group ownership association. | Permissions |

| **chmod** | Changes file permissions for users, groups, and others. | Permissions |

| **chown** | Changes file owner and group owner. | Permissions |

| **compress** | Reduces file size using Lempel-Ziv algorithmic logic. | Compression |

| **cp** | Copies files and directories as specified. | Files/Directories |

| **cpio** | Copies files in and out of archives via copy-in and copy-out modes. | Compression |  

| **cron** | Executes/runs commands as scheduled. | Processes | 

| **curl** | Utility to transfer data (URL) to/from a server. | Data Transfer |

| **cut** | Removes specified sections from each text input line. | Files/Directories |  

| **dd** | Copies and converts files, and can backup disks. | Files/Directories |  

| **df** | Displays 'disk free'/space usage of filesystems. | Drives/Devices |

| **diff** | Performs a line-by-line comparison of files. | Files/Directories |

| **dnf** | 'Dandified YUM'. Package manager for Fedora, RHEL, and CentOS. | Packages |  

| **du** | Displays disk space usage for directories and files. | Drives/Devices |

| **echo** | Displays strings using standard output stream. | Text | 

| **exit** | Invokes normal termination of process/task. | Processes |  

| **fdisk** | Utility for creating and modifying partition tables. | Drives/Devices |

| **file** | Returns file data type. | Files/Directories |

| **find** | Scans directory hierarchy for files. | Files/Directories |

| **ftp** | Enables usage of File Transfer Protocol. | Data Transfer |

| **gawk** | [see 'awk' command] The GNU implementation (for scanning and processing) of the AWK pattern programming language in GNU. | Text |

| **getfacl** | Retrieves file names, owners, group owners, and Access Control List permissions. | Permissions |

| **grep** | Searches input files for lines that match a specified pattern. | Text |

| **gunzip** | Decompresses files generated by zip, gzip, compress, and pack. | Compression |

| **gzip** | Reduces file size using the LZ77 lossless compression algorithm. | Compression |

| **head** | Outputs first lines of file (10 by default). | Text |  

| **history** | (The GNU history command) Recalls commands previously entered in session. | Processes |  

| **hwinfo** | Displays information about system hardware. | Drives/Devices |

| **kill** | Sends terminate signal to process/task. | Processes |

| **less** | [see 'more' command] plus enables user to scroll backwards. | Text |

| **locate** | Retrieves file (by file name). | Files/Directories |

| **ln** | Creates links between files. | Files/Directories |

| **ls** | Displays (lists) the contents of a specified directory. | Files/Directories |

| **lsblk** | Displays information about block devices. | Drives/Devices |  

| **make** | Automation tool for recompiling parts of large programs by using makefiles. | Files/Directories |  

| **man** | Documentation for commands, functions, system calls, and other features. | Documentation |

| **mkdir** | Creates directories. | Files/Directories |

| **more** | Allows for paging through text output one screen at a time. | Text |

| **mount** | Attaches file system of a drive to a target directory. | Drives/Devices |

| **mv** | Moves/renames files (similar to a cut/paste of files). | Files/Directories |  

| **nano** | Launches the GNU nano text editor. | Text |  

| **parted** | Partitions and resizes disks. | Drives/Devices |

| **patch** | Modifies file based on source (patch) file instructions produced by the diff utility. | Text |

| **ping** | Sends an ICMP ECHO_REQUEST datagram to a specified destination. | Drives/Devices |

| **ps** | Displays a report on currently running tasks/processes. | Processes |

| **pwd** | Prints working directory to standard output stream. | Files/Directories |

| **rm** | Deletes files or directories. | Files/Directories |

| **rpm** | The Red Hat Packet Manager, commonly used in Red Hat distributions such as CentOS and Fedora. | Packages |

| **rmdir** | Deleted empty directories. | Files/Directories |

| **rsync** | A high-speed utility for remote file copying. | Data Transfer |

| **scp** | Uses ssh data transfer and authentication for remote file copying. | Data Transfer |

| **sed** | Filters and modifies input stream text. | Text |

| **setfacl** | Sets Access Control List permissions for files and directories. | Permissions |  

| **sftp** | Enables usage of a secure file transfer protocol using SSH transport encryption. | Data Transfer |

| **sort** | Arranges lines of text for display via the standard output stream. | Text |

| **ssh** | Launches the SSH remote communication protocol. | Data Transfer |

| **sudo** | Allows user to execute commands as the superuser (or another user). | Permissions |

| **tail** | Outputs last lines of file (10 by default). | Text |

| **tac**| Concatenates files. Prints (in reverse) using standard output stream. | Text |  

| **tar** | Creates compressed files as a single disk archive or tape, and extracts compressed files. | Compression |  

| **tee** | Reads from input stream and writes to output stream/files. | Text |

| **telnet** | Launches user interface for the TELNET remote communication protocol. |  Data Transfer |

| **top** | Provides a realtime display of running tasks. | Processes |

| **touch** | Creates blank files and updates file timestamps. | Files/Directories |

| **umount** | Unattaches file system of a drive from a directory. | Drives/Devices |

| **uncompress** | Decompresses files that were compressed by the compress utility. | Compression |  

| **uniq** | Detects and omits repeated adjacent lines. | Text |

| **unzip** | [see 'zip' command] Unpackages ZIP files. | Compression |

| **vi** | Launches the vi text editor. | Text |

| **wc** | Outputs byte, word, and newline counts for files. | Text |

| **wget** | HTTPS, HTTPS, and FTP utility for non-interactive web downloads. | Data Transfer |

| **whereis** | Locates manuals and sources/binaries for files. | Files/Directories |

| **which** | Displays absolute path of shell commands. | Files/Directories |

| **xz** | Compresses/decompresses .lzma and .xz files. | Compression |  

| **yum** | 'Yellowdog Updater Modified'. A Red Hat based Package Manager. | Packages |

| **zcat** | Displays contents of a compressed file to the command line. | Compression |

| **zip** | Compresses/archives and packages files. PKZIP compatible. | Compression |

  



  

## 2. [bash](https://www.gnu.org/software/bash/) Keyboard Shortcuts

  

| Shortcut | Purpose |  

| --- | --- |  

| `!!` | Runs the Previous Command |  

| `CTRL + C` | Terminates a Command Process |  

| `CTRL + L` | Clears the Terminal Screen |  

| `CTRL + Z` | Stops (Suspends) a Command Process |

  



  

## 3. [Nano](https://www.nano-editor.org/dist/latest/faq.html) Keyboard Shortcuts



| Shortcut | Purpose | Category |

| --- | --- | --- |  

| `Ctrl + O` | Writes File with Specified Name | File Operations |

| `Ctrl + R` | Inserts Contents of a File | File Operations |

| `Ctrl + S` | Saves File | File Operations |

| `Ctrl + X` | Exits Nano Editor | File Operations |








**TODO #1:** Add a text file for each command, each including use cases and options/arguments.  

**TODO #2:** Add keyboard shortcuts lists for bash terminal, Nano, and vim.