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You know the file name, but don't know where the file is located. How can you find it?
find <search point> -name 'filename' -print
If you only know part of the filename
find / -name '*partial*' -print
How do you compress a file?
gzip <filename>
gunzip <filename.gz>
tar -cvf
c creates a new archive
v verbose
f makes it a file
How do you use chmod? What are the numbers that determine permissions?
chmod <nnn> filename
0 = no access
1 = execute only
2 = write only
3 = write and execute
4 = read only
5 = read and execute
6 = read and write
7 = read write and execute
What are some common options that can be used with the command ls?
-a lists all filenames
-A lists most filenames (excludes . and .. files)
-C lists filenames in a column format
-d lists directory names instead of contents
-f lists file names unsorted
-F lists filenames classified by file type
-l lists filenames in long format
-lh lists filenames in long format and human readable
-lg lists filenams in long format but omits group information
-r lists filenames reverse sorted
-R lists filenames in the specified directory and subdirectories
-s lists filenames and their size in kilobytes
-S lists filenames assorted by size
-t lists filenames sorted by time modified
-U lists filenames without sorting
-x lists filenames in rows instead of columns
What are some regular expressions used in linux?
*Matches 0 or more occurrences of the previous character
?Matches 0 or 1 occurrences of the previous character
+ Matches 1 or more
.Matches 1 character of any type
[…]Matches one character from the range specified within the braces
[^…] Matches one character NOT from the range specified within the braces
{}Matches a specific number or range of the previous character
^ Matches the following characters if they're the first characters on the line
$Matches the previous letter characters if they're the last
(…|…) Matches either of two sets of characters
Author
cnapalm
ID
13976
Card Set
Linux
Description
Linux +
Updated
2010-04-11T23:30:13Z
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