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  2. chmod - Wikipedia

    en.wikipedia.org/wiki/Chmod

    chmod -R u+w,go-w docs: Adds write permission to the directory docs and all its contents (i.e. Recursively) for owner, and removes write permission for group and others chmod ug=rw groupAgreements.txt: Sets read and write permissions for user and Group: chmod 664 global.txt: Sets read and write permissions for user and Group, and provides read ...

  3. List of GNU Core Utilities commands - Wikipedia

    en.wikipedia.org/wiki/List_of_GNU_Core_Utilities...

    chmod: 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 ...

  4. File-system permissions - Wikipedia

    en.wikipedia.org/wiki/File-system_permissions

    The read permission grants the ability to read a file. When set for a directory, this permission grants the ability to read the names of files in the directory, but not to find out any further information about them such as contents, file type, size, ownership, permissions. The write permission grants the ability to modify a file. When set for ...

  5. Sticky bit - Wikipedia

    en.wikipedia.org/wiki/Sticky_bit

    To clear it, use chmod -t /usr/local/tmp or chmod 0777 /usr/local/tmp (the latter will also reset the tmp directory to standard permissions). In Unix symbolic file system permission notation , the sticky bit is represented either by the letter t or T in the final character-place depending on whether the execution bit for the others category is ...

  6. File attribute - Wikipedia

    en.wikipedia.org/wiki/File_attribute

    In Unix and Unix-like systems, including POSIX-conforming systems, each file has a 'mode' containing 9 bit flags controlling read, write and execute permission for each of the file's owner, group and all other users (see File-system permissions §Traditional Unix permissions for more details) plus the setuid and setgid bit flags and a 'sticky' bit flag.

  7. setuid - Wikipedia

    en.wikipedia.org/wiki/Setuid

    The setuid permission set on a directory is ignored on most UNIX and Linux systems. [ 5 ] [ citation needed ] However FreeBSD can be configured to interpret setuid in a manner similar to setgid , in which case it forces all files and sub-directories created in a directory to be owned by that directory's owner - a simple form of inheritance. [ 6 ]

  8. Shell (computing) - Wikipedia

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

    A graphical interface similar to one from the late 1980s, which features a graphical window for a man page, a shaped window (oclock) as well as several iconified windows. . In the lower right we can see a terminal emulator running a Unix shell, in which the user can type commands as if they were sitting at a termin

  9. Virtual CD-ROM switching utility - Wikipedia

    en.wikipedia.org/wiki/Virtual_CD-ROM_switching...

    ZeroCD: When a device uses the ZeroCD method means that it behaves as a USB CD-ROM when first connected, with a virtual CD-ROM inserted with the Windows device drivers and related Cosmote control program. Once the Windows device drivers are installed, a special USB command is sent to the device to “switch” it to modem mode. [6] [unreliable ...