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basename is a standard computer program on Unix and Unix-like operating systems. When basename is given a pathname, it will delete any prefix up to the last slash ('/') character and return the result. basename is described in the Single UNIX Specification and is primarily used in shell scripts.
Name Description arch: Prints machine hardware name (same as uname -m) basename: Removes the path prefix from a given pathname chroot: Changes the root directory date: Prints or sets the system date and time dirname: Strips non-directory suffix from file name du: Shows disk usage on file systems echo: Displays a specified line of text env
basename: Filesystem Mandatory Return non-directory portion of a pathname; see also dirname Version 7 AT&T UNIX batch: Process management Mandatory Schedule commands to be executed in a batch queue bc: Misc Mandatory Arbitrary-precision arithmetic language Version 6 AT&T UNIX bg: Process management Optional (UP) Run jobs in the background cc/c17
Display the current working directory physical path - without symbolic link name, if any. Example: If standing in a dir /home/symlinked, that is a symlink to /home/realdir, this would show /home/realdir pwd -L: Display the current working directory logical path - with symbolic link name, if any.
Most Unix tools which are often used to manipulate filenames (for example sed, basename, sort, etc.) are text processing tools. However, Unix path names are not really text. Consider a path name /aaa/bbb/ccc. The /aaa directory and its bbb subdirectory can in general be created by different users with different environments.
Extension (BDOS 3 and higher only) No No No No No Extension No COM (DOS) DOS, OS/2, Windows (except for 64-bit editions), Concurrent CP/M-86 (BDOS 3.1 only), Concurrent DOS, Concurrent DOS 286, FlexOS, Concurrent DOS 386, Multiuser DOS, System Manager, REAL/32, DOS Plus.COM: No (x86 only) No Extension (Novell/Caldera VERSION etc.) No No No ...
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VFAT, a variant of FAT with an extended directory format, was introduced in Windows 95 and Windows NT 3.5. It allowed mixed-case Unicode long filenames (LFNs) in addition to classic 8.3 names by using multiple 32-byte directory entry records for long filenames (in such a way that old 8.3 system software will only recognize one as the valid directory entry).