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  2. List of GNU Core Utilities commands - Wikipedia

    en.wikipedia.org/wiki/List_of_GNU_Core_Utilities...

    Copies a file or directory dd: Copies and converts a file df: Shows disk free space on file systems dir: Is exactly like "ls -C -b". (Files are by default listed in columns and sorted vertically.) dircolors: Set up color for ls: install: Copies files and set attributes ln: Creates a link to a file ls: Lists the files in a directory mkdir ...

  3. List of POSIX commands - Wikipedia

    en.wikipedia.org/wiki/List_of_POSIX_commands

    Split files based on context PWB UNIX ctags: C programming Optional (SD) Create a tags file 3BSD cut: Text processing Mandatory Cut out selected fields of each line of a file System III cxref: C programming Optional (XSI) Generate a C-language program cross-reference table System V date: Misc Mandatory Display the date and time Version 1 AT&T ...

  4. Hidden file and hidden directory - Wikipedia

    en.wikipedia.org/wiki/Hidden_file_and_hidden...

    Under Windows Explorer, Hidden files and directories are, by default, not displayed - though they are still accessible by entering the full path into the explorer address bar. System files are displayed, unless they are also hidden. There are two options that enable the display of hidden files. The main "Hidden files and folders" option can be ...

  5. alias (command) - Wikipedia

    en.wikipedia.org/wiki/Alias_(command)

    An alias will last for the life of the shell session. Regularly used aliases can be set from the shell's rc file (such as .bashrc) so that they will be available upon the start of the corresponding shell session. The alias commands may either be written in the config file directly or sourced from a separate file.

  6. ranger (file manager) - Wikipedia

    en.wikipedia.org/wiki/Ranger_(file_manager)

    The program can accomplish file management tasks with a few keystrokes, and mouse input is optional. In conjunction with extensions including the rifle file opener and scope.sh, ranger can be scripted to open files with pre-defined programs, and to display a preview of the selected file by calling external programs. [6]

  7. File-system permissions - Wikipedia

    en.wikipedia.org/wiki/File-system_permissions

    When a file with setuid is executed, the resulting process will assume the effective user ID given to the owner class. This enables users to be treated temporarily as root (or another user). The set group ID, setgid, or SGID permission. When a file with setgid is executed, the resulting process will assume the group ID given to the group class ...

  8. Create, delete, or rename folders in AOL Mail - AOL Help

    help.aol.com/articles/create-delete-or-rename...

    1. Mouse over the folder you want to add a subfolder to. 2. Click the Folder Options icon . 3. Select Create subfolder. 4. Enter a new subfolder name. 5. Click the Save icon.

  9. sysctl - Wikipedia

    en.wikipedia.org/wiki/Sysctl

    In Linux, the parameter is called net.ipv4.ip_forward. In most systems, the command sysctl -w parameter=1 will enable a certain behavior. This will persist until the next reboot. If the behavior should be enabled whenever the system boots, the line parameter=1 can be added/rewritten to the file /etc/sysctl.conf. Additionally, some sysctl ...