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Top Forums UNIX for Dummies Questions & Answers Navigating directories with * / . and .. Post 302758317 by Yoda on Friday 18th of January 2013 11:23:25 PM
Old 01-19-2013
The characters ? (question mark) and * (asterisk) are called wildcards.

The asterisk represents zero or more characters.
Code:
$ ls
doc_1.txt  doc2.txt  f1.csv  f2.csv  fl3.csv  pic_1.jpg  pic_2.jpg

$ ls *.txt
doc_1.txt  doc2.txt

The question mark represents only one character.
Code:
$ ls
doc_1.txt  doc2.txt  f1.csv  f2.csv  fl3.csv  pic_1.jpg  pic_2.jpg

$ ls ???.csv
fl3.csv

.. or ../ represents parent directory and ./ represents current directory. So ls */ means list the contents of all directories in current path.
 

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CATMAN(1)						    BSD General Commands Manual 						 CATMAN(1)

NAME
catman -- preformat man pages SYNOPSIS
catman [-fLnrv] [directories ...] DESCRIPTION
The catman utility preformats all the man pages in directories using the nroff -man command. Directories may be separated by colons instead of spaces. If no directories are specified, the contents of the MANPATH environment variable is used, or if that is not set, the default directory /usr/share/man is processed. The options are as follows: -f Force all man pages to be reformatted even if the corresponding cat page is newer. -L Process only localized subdirectories corresponding to the locale specified in the standard environment variables. -n Print out what would be done instead of performing any formatting. -r Scan for and remove ``junk'' files that are neither man pages nor their corresponding formatted cat pages. -v Cause catman to be more verbose about what it is doing. ENVIRONMENT
LC_ALL, LC_CTYPE, LANG These variables control what subdirectories will be processed if the -L option is used. MACHINE If set, overrides the current machine type when searching for machine specific man page subdirectories. MACHINE_ARCH If set, overrides the current architecture when searching for architecture specific man page subdirectories. MANPATH Determines the set of directories to be processed if none are given on the command line. FILES
/usr/share/man Default directory to process if the MANPATH environment variable is not set. EXIT STATUS
The catman utility exits 0 on success, and >0 if an error occurs. SEE ALSO
makewhatis(1), man(1), nroff(1) HISTORY
A previous version of the catman command appeared in FreeBSD 2.1. AUTHORS
John Rochester BSD
December 3, 2005 BSD
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