Listing and paths
The commands that show you what a directory contains and that inspect, resolve, and manipulate path names — ls, stat, pwd, readlink, realpath, and the rest.
referenceList the contents of a directory. Covers the default listing, the Peios long format and its security-descriptor columns, and every option for choosing, sorting, and formatting what is shown.
referenceTwo commands that list directory contents with a fixed output style — dir always lists in columns, vdir always lists in long format.
referenceDisplay the detailed status of a file or a file system — type, size, timestamps, and raw inode metadata — with an optional custom output format.
referencePrint the absolute path of the directory you are currently working in.
referencePrint the target of a symbolic link, or canonicalize a path by resolving every link in it.
referenceResolve a path to its canonical, absolute form — every symbolic link followed and every . and .. component removed.
referenceStrip the directory part off a path, leaving just the final name — and optionally remove a trailing suffix.
referenceStrip the final component off a path, leaving the directory part.
referenceCheck whether path names are valid and usable before you try to create the files they name.
referenceProduce the shell commands that set LS_COLORS — the variable that controls how ls colours its output.