Utilities

Much of the power of Qshell lies in the utilities that come with it. Table 27.1 lists some of the tools that you can use under Qshell. Notice that many of these utilities have no CL counterparts.

Table 27.1: Some Common Qshell Utilities

Utility	Mnemonic	Description
cat	concatenate	Concatenate files
cmp	compare	Compare two files.
compress		Reduce the size of a file.
cut		Select portions of each input line.
find		Find files.
grep, egrep, fgrep	global regular expression print	Look for files that contain a string.
jar	java archive	Work with files in jar or zip format.
java		Run the Java interpreter.
javac	java compile	Compile a Java program.
od		Write the contents of one or more files in such formats as character, octal, and hexadecimal.
head		Copy the first part of files.
print		Write to a file.
read		Read from a file.
sed	stream editor	Apply editing commands to a file.
sort		Reorder the lines of a file.
split		Split files into smaller files.
tail		Copy the last part of files.
tr	translate	Convert characters to other characters.
uniq	unique	Eliminate adjacent duplicate lines from a file.
wc	word count	Count words, lines, or characters of a file.