Utility aliases and functions.

Adds colour to ls, grep and less.

If file ${HOME}/.dir_colors exists, then its configuration will be set using dircolors (GNU only).

If lsd (LSDeluxe) is available, it will be aliased to ls.

• ls lists directories first (GNU only) and with colour (applies to all aliases below).
• ll lists with long format and human-readable sizes (applies to all aliases below).
• l lists all files.
• lm lists all files using pager.
• lr lists recursively (as a tree with lsd).
• lx lists sorted by extension (GNU or lsd only).
• lk lists sorted by largest file size last.
• lt lists sorted by newest modification time last.
• lc lists sorted by newest status change (ctime) last (not with lsd).

• get downloads from the given URL using aria2c, axel, wget or curl.

• df reports file system disk usage with human-readable sizes.
• du reports file disk usage with human-readable sizes.

• chmod changes file mode verbosely, not operating from / (GNU only).
• chown changes file owner verbosely, not operating from / (GNU only).
• rm uses safe-rm if available.

• mkcd creates and changes to the given directory.
• mkpw generates a random password with the given length and set of characters. The default parameters are equivalent to mkpw 32 0-9A-Za-z.