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chown, the command used to change the owner of a file or directory on Unix-like systems; chgrp, the command used to change the group of a file or directory on Unix-like systems; cacls, a command used on Windows NT and its derivatives to modify the access control lists associated with a file or directory; attrib
When a file with setuid is executed, the resulting process will assume the effective user ID given to the owner class. This enables users to be treated temporarily as root (or another user). The set group ID, setgid, or SGID permission. When a file with setgid is executed, the resulting process will assume the group ID given to the group class ...
Note the /B at the end of the date argument is a local switch, that modifies the meaning of that argument, while /S and /E are global switches, i.e. apply to the whole command. VM/CMS CLI: LISTFILE (FULLDATE) l(ful: includes the date the file was last written in the list.
Multiple terminal sessions may be organized within single GNOME Terminal window as tabs. [2] Switching between active session is possible either by using keyboard shortcuts or by using tab bar – a row of buttons, each corresponding to active session, that appears on top of GNOME Terminal window when multiple tabs are used.
In Linux, if the script was executed by a regular user, the shell would attempt to execute the command rm -rf / as a regular user, and the command would fail. However, if the script was executed by the root user, then the command would likely succeed and the filesystem would be erased. It is recommended to use sudo on a per-command basis instead.
This allows the user to change any of the files on the system, with the new file stored in the image and transparently used instead of the one on the CD. [4] Unionfs can also be used to create a single common template for a number of file systems, or for security reasons. It is sometimes used as an ad hoc snapshotting system.
The filesystem appears as one rooted tree of directories. [1] Instead of addressing separate volumes such as disk partitions, removable media, and network shares as separate trees (as done in DOS and Windows: each drive has a drive letter that denotes the root of its file system tree), such volumes can be mounted on a directory, causing the volume's file system tree to appear as that directory ...
Many Linux distributions use readahead on a list of commonly used files to speed up booting. In such a setup, if the kernel is booted with the profile boot parameter, it will record all file accesses during bootup and write a new list of files to be read during later boot sequences. This will make additional installed services start faster ...