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By default, the Single UNIX Specification (SUS) specifies that du is to display the file space allocated to each file and directory contained in the current directory. Links will be displayed as the size of the link file, not what is being linked to; the size of the content of directories is displayed, as expected.
df (abbreviation for disk free) is a standard Unix command used to display the amount of available disk space for file systems on which the invoking user has appropriate read access. df is typically implemented using the statfs or statvfs system calls .
Remove directory entries Version 1 AT&T UNIX rmdel: SCCS Optional (XSI) Remove a delta from an SCCS file PWB UNIX rmdir: Filesystem Mandatory Remove directories, if they are empty. Version 1 AT&T UNIX sact: SCCS Optional (XSI) Print current SCCS file-editing activity System III sccs: SCCS: Optional (XSI) Front end for the SCCS subsystem 4.3BSD sed
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 ...
grep is a command-line utility for searching plain-text data sets for lines matching a regular expression and by default reporting matching lines on standard output. tree is a command-line utility that recursively lists files found in a directory tree, indenting the filenames according to their position in the file hierarchy.
Modern Linux distributions include a /sys directory as a virtual filesystem (sysfs, comparable to /proc, which is a procfs), which stores and allows modification of the devices connected to the system, [20] whereas many traditional Unix-like operating systems use /sys as a symbolic link to the kernel source tree.
In computing, dir (directory) is a command in various computer operating systems used for computer file and directory listing. [1] It is one of the basic commands to help navigate the file system . The command is usually implemented as an internal command in the command-line interpreter ( shell ).
When viewing the device's available space the space occupied by the deleted files is shown as occupied. The Trash folder shows deleted files from external drives, including removable media. [ 28 ] This does not apply to networked drives, where trying to move an item to Trash brings up a warning that it will be deleted immediately and this ...