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  2. cd (command) - Wikipedia

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

    The system call that effects the command in most operating systems is chdir that is defined by POSIX. Command line shells on Windows usually use the Windows API to change the current working directory, whereas on Unix systems cd calls the chdir() POSIX C function.

  3. Working directory - Wikipedia

    en.wikipedia.org/wiki/Working_directory

    In the C language, the POSIX function chdir() effects the system call which changes the working directory. [11] Its argument is a text string with a path to the new directory, either absolute or relative to the old one. Where available, it can be called by a process to set its working directory. There are similar functions in other languages.

  4. List of DOS commands - Wikipedia

    en.wikipedia.org/wiki/List_of_DOS_commands

    Also TRUENAME does not search in the PATH. For example, in DOS 5, if the current directory is C:\TEMP, then TRUENAME command.com will display C:\TEMP\COMMAND.COM (which does not exist), not C:\DOS\COMMAND.COM (which does and is in the PATH). This command displays the UNC pathnames of mapped network or local CD drives. This command is an ...

  5. Shell builtin - Wikipedia

    en.wikipedia.org/wiki/Shell_builtin

    In computing, a shell builtin is a command or a function, called from a shell, that is executed directly in the shell itself, instead of an external executable program which the shell would load and execute.

  6. pushd and popd - Wikipedia

    en.wikipedia.org/wiki/Pushd_and_popd

    The directory stack underlies the functions of these two commands. It is an array of paths stored as an environment variable in the CLI, which can be viewed using the command dirs in Unix or Get-Location -stack in PowerShell. The current working directory is always at the top of the stack.

  7. Return statement - Wikipedia

    en.wikipedia.org/wiki/Return_statement

    In C and C++, return exp; (where exp is an expression) is a statement that tells a function to return execution of the program to the calling function, and report the value of exp. If a function has the return type void , the return statement can be used without a value, in which case the program just breaks out of the current function and ...

  8. unistd.h - Wikipedia

    en.wikipedia.org/wiki/Unistd.h

    In the C and C++ programming languages, unistd.h is the name of the header file that provides access to the POSIX operating system API. [1] It is defined by the POSIX.1 standard, the base of the Single Unix Specification, and should therefore be available in any POSIX-compliant operating system and compiler.

  9. Direct.h - Wikipedia

    en.wikipedia.org/wiki/Direct.h

    direct.h is a C/C++ header file provided by Microsoft Windows, which contains functions for manipulating file system directories. Some POSIX functions that do similar things are in unistd.h . Member functions