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  2. read (Unix) - Wikipedia

    en.wikipedia.org/wiki/Read_(Unix)

    read is a command found on Unix and Unix-like operating systems such as Linux. It reads a line of input from standard input or a file passed as an argument to its -u flag, and assigns it to a variable. It is built into shells such as Bash. [1]

  3. echo (command) - Wikipedia

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

    Microsoft Windows [10] ReactOS [11] HP MPE/iX [12] KolibriOS [13] SymbOS; Unix and Unix-like operating systems; Many shells, including all Bourne-like (such as Bash [14] or zsh [15]) and Csh-like shells as well as COMMAND.COM and cmd.exe implement echo as a builtin command. The command is also available in the EFI shell. [16]

  4. Unix shell - Wikipedia

    en.wikipedia.org/wiki/Unix_shell

    tcsh and sh shell windows on a Mac OS X Leopard [1] desktop A Unix shell is a command-line interpreter or shell that provides a command line user interface for Unix-like operating systems . The shell is both an interactive command language and a scripting language , and is used by the operating system to control the execution of the system ...

  5. File:Programmation Bash-fr.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Programmation_Bash-fr.pdf

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  6. Read-copy-update - Wikipedia

    en.wikipedia.org/wiki/Read-copy-update

    In computer science, read-copy-update (RCU) is a synchronization mechanism that avoids the use of lock primitives while multiple threads concurrently read and update elements that are linked through pointers and that belong to shared data structures (e.g., linked lists, trees, hash tables).

  7. Fish (Unix shell) - Wikipedia

    en.wikipedia.org/wiki/Fish_(Unix_shell)

    This functions similarly to Bash's Ctrl+R history search, but is always on, giving the user continuous feedback while typing commands. Fish also includes feature-rich tab completion, with support for expanding file paths (with wildcards and brace expansion), environment variables, and command-specific completions.

  8. getopts - Wikipedia

    en.wikipedia.org/wiki/Getopts

    The Linux enhanced version of getopt has the extra safety of getopts plus more advanced features. It supports long option names (e.g. --help) and the options do not have to appear before all the operands (e.g. command operand1 operand2 -a operand3 -b is permitted by the Linux enhanced version of getopt but does not work with getopts).

  9. List of PDF software - Wikipedia

    en.wikipedia.org/wiki/List_of_PDF_software

    Evince: a free (GPL), open source PDF reader. Part of the GNOME desktop environment. A Windows port was available from version 2.28 to version 2.32. Foxit Reader: Proprietary/freeware PDF reader, supports FDF import/export, saving filled forms; other extended functionality available via purchasable plugins.