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On Unix-like operating systems, mkdir takes options. The options are: -p (--parents): parents or path, will also create all directories leading up to the given directory that do not exist already. For example, mkdir -p a/b will create directory a if it doesn't exist, then will create directory b inside directory a. If the given directory ...
Changes the permissions of a file or directory cp: 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 ...
Converts an executable file into a binary file with the extension.com, which is a memory image of the program. The size of the resident code and data sections combined in the input .exe file must be less than 64 KB. The file must also have no stack segment. The command is available in MS-DOS versions 1 through 5.
Links are the file "entries" in the volume's hierarchical file tree: an NTFS pathname such as \foo.exe or \foobar\baz.txt is a link. If the volume containing said pathnames were mapped to D: in a Windows system, these could be referenced as D:\foo.exe and D:\foobar\baz.txt. (Compare and contrast with typical Unix file systems, where a link is ...
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.
In Unix-like operating systems, find is a command-line utility that locates files based on some user-specified criteria and either prints the pathname of each matched object or, if another action is requested, performs that action on each matched object.
Small business owners should not forget about a rule — currently in legal limbo — that would require them to register with an agency called the Financial Crimes Enforcement Network, or FinCEN ...
the middle three characters, r-x, define permissions for the Group class (i.e. the group owning the file) the rightmost three characters, ---, define permissions for the Others class. In this example, users who are not the owner of the file and who are not members of the Group (and, thus, are in the Others class) have no permission to access ...