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Test Your Knowledge in Computers #825
Difficulty: Medium
The term API seems to appear for the first time in the article of Ira W. Cotton, Data structures and techniques for remote computer graphics, published in 1968.
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mmd(1) [bsd man page]

MMD(1)							      General Commands Manual							    MMD(1)

NAME
mmd - make an MSDOS subdirectory SYNOPSIS
mmd [ -v ] msdosdirectory [ msdosdirectories... ] DESCRIPTION
Mmd makes a new directory on an MSDOS filesystem. Mmd will allow the following command line option: v Verbose mode. Display the new directory name if the name supplied is invalid. Reasonable care is taken to create a valid MSDOS directory name. If an invalid name is specified, mmd will change the name (and display the new name if the verbose mode is set). An error occurs if the directory already exists. MSDOS subdirectory names are supported with either the '/' or '' separator. The use of the '' separator or wildcards will require the directory name to be enclosed in quotes to protect it from the shell. The mcd command may be used to establish the device and the current working directory (relative to MSDOS), otherwise the default is A:/. SEE ALSO
mcd(1), mrd(1) BUGS
Allows multiple arguments, which does not follow the MSDOS convention. local MMD(1)

Check Out this Related Man Page

mrd(1)							      General Commands Manual							    mrd(1)

NAME
mrd - mtools utility to remove a DOS directory SYNOPSIS
mrd msdosdirectory [msdosdirectories...] DESCRIPTION
The mrd command removes a directory from a DOS file system. If the directory is not empty, an error occurs. Unlike DOS conventions, this command allows multiple arguments. DOS subdirectory names that contain the '/' or '' separator are supported. If you use the '' separator or wildcards, you must enclose file names in quotes to protect them from the shell. The mcd command can be used to establish the device and the current working directory (relative to DOS), otherwise the default is A:. EXIT STATUS
The following exit values are returned: Success. Failure. ENVIRONMENT VARIABLES
The following environment variables affect the execution of mrd: If set, this variable names the file that contains the name of the current mtools working directory as established by the mcd command. If this variable is not set, the file $HOME/.mcwd is used. FILES
Contains the name of the current mtools working directory as established by the mcd command. If this file does not exist, the default mtools working directory is A:. Executable file SEE ALSO
Commands: mcd(1), mmd(1), mtools(1) mrd(1)

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