Appendix A. Cheat Sheet
That rug really tied the room together, did it not?
Walter Sobchak, The Big Lebowski
This chapter lists many of the commands covered in this report. Use
man or other methods outlined in the report to find more information
on them.
Redirection Command
See I/O Redirection
|-
Pipe stdout from one process into stdin in another process.
System Directory Commands
See Important System Directories
/etc-
Configuration files location
/home-
Home or user profile directories
/proc-
System runtime information
/root-
Home directory for root user (system admin)
/tmp-
Temporary files location
/var/log-
Log files location
Standard User Commands
These are “Section 1” commands, normal user commands that typically don’t require any special privileges beyond permissions to access files and the like.
apropos-
Search for help on commands by title
bash-
The Bourne-again shell
cat-
Concatenate the input files to stdout
cd-
Change the current directory
cp-
Copy files or directories
df-
Show space utilization by filesystem
dig-
Look up DNS info on an address
du-
Estimate disk usage
find-
Find files based on various conditions and execute actions against the results
grep-
Search for a pattern (regular expression) in files
less-
Display the file one page at a time on stdout
locate-
Locate files by name
ls-
List directory contents
man-
Display manual pages; remember,
qquits ps-
List running processes
pwd-
Print the current (working) directory name ...