Directory Listing

show subdirectory	pwd
list files and directories	ls
list files and directories (one per line)	ls -l
list files beginning with 'Adams'	ls adams*
list files by screenful	ls | more

Compare Files and Directories

compare two directories	diff /directory1 /directory2
compare two files	cmp file1 file2
compare two files and show specific differences-i=ignore case-b=ignore blanks-w=ignore spaces and tabs	diff -iwb file1 file2
compare two files side-by-side| lines are the same< line is in first file only> line is in second file only	sdiff file1 file2
compare two files side-by-side showing only differences	sdiff -s file1 file2

Change / Make Directory

make a directory	mkdir subdir
change to a subdirectory beneath where you are	cd subdir
change to a subdirectory of the root	cd /subdir
change to a subdirectory under your home directory	cd ~/subdir
change to home directory	cd
change up one level	cd ..

Directory Listing