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  2. Shebang (Unix) - Wikipedia

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

    Previously (and in fact still) the shell did much of this job; it automatically executed itself on a text file with executable mode when the text file's name was typed as a command. Putting the facility into the system gives the following benefits. 1) It makes shell scripts more like real executable files, because they can be the subject of 'exec.'

  3. Filesystem Hierarchy Standard - Wikipedia

    en.wikipedia.org/wiki/Filesystem_Hierarchy_Standard

    Directory Description / Primary hierarchy root and root directory of the entire file system hierarchy. /bin: Essential command binaries that need to be available in single-user mode, including to bring up the system or repair it, [3] for all users (e.g., cat, ls, cp).

  4. List of DOS system files - Wikipedia

    en.wikipedia.org/wiki/List_of_DOS_system_files

    CHKDSK: Check disk for file system integrity. COMP: File compare utility. DEBUG: Simple command line debugger. DELTREE: Delete a directory tree. DISKCOMP: Compare floppy disks. DISKCOPY: Copy floppy disks. DOSKEY: Command line editor. EDIT / EDLIN: Very basic text editor(s); EDLIN is in earlier versions. FC: File compare utility.

  5. List of DOS commands - Wikipedia

    en.wikipedia.org/wiki/List_of_DOS_commands

    Displays a file. The more command is frequently used in conjunction with this command, e.g. type long-text-file | more. TYPE can be used to concatenate files (type file1 file2 > file3); however this won't work for large files [dubious – discuss] [citation needed] —use copy command instead. The command is available in MS-DOS versions 1 and ...

  6. Shell script - Wikipedia

    en.wikipedia.org/wiki/Shell_script

    The term is also used more generally to mean the automated mode of running an operating system shell; each operating system uses a particular name for these functions including batch files (MSDos-Win95 stream, OS/2), command procedures (VMS), and shell scripts (Windows NT stream and third-party derivatives like 4NT—article is at cmd.exe), and ...

  7. Directory (computing) - Wikipedia

    en.wikipedia.org/wiki/Directory_(computing)

    In computing, a directory is a file system cataloging structure which contains references to other computer files, and possibly other directories. On many computers, directories are known as folders , or drawers , [ 1 ] analogous to a workbench or the traditional office filing cabinet .

  8. Directory structure - Wikipedia

    en.wikipedia.org/wiki/Directory_structure

    Contains program data that is expected to be accessed by computer programs regardless of the user account in the context of which they run. For example, a program may store specific information needed to operate DVD recorders or image scanners connected to a computer, because all users use them. Windows itself uses this folder.

  9. inode - Wikipedia

    en.wikipedia.org/wiki/Inode

    An inode may have no links. An inode without links represents a file with no remaining directory entries or paths leading to it in the filesystem. A file that has been deleted or lacks directory entries pointing to it is termed an 'unlinked' file. Such files are removed from the filesystem, freeing the occupied disk space for reuse.