代码搜索结果

#print The patterns for selecting file names that have been discussed can be used with other commands than "ls". For example, they can be used with the "cat" command to print files. It is common for

#print Now you should understand the special characters ^H and @: ^H cancels the previous character typed (called control-h) @ cancels the line being typed and puts you on a new line

#print The "mv" command changes the names of files. For example, "mv bob bill" changes the name of file "bob" to be "bill". If there was already a file named "bill", the old version is destroyed. Th

#print When you are done with something, you will want to know how to get rid of the file it is on. The command for that is "rm" (remove). For example rm junk throws away the file named "junk". O

#print Use the "ls" command to determine if there is a file named for a state in the current directory. Find out and type "yes" or "no". (Don't use the list you got earlier - I've changed things.) #cr

#print You may have been wondering what to do in case Unix prints faster than you can read. It is often helpful to suspend Unix output temporarily in order to read it, and then restart it to let more

#print Since the '?' character only matches single characters in file names, it is not useful for questions like "how many files have names which begin with the letter g?" There is another character

#print To create a second copy of a file, the easiest way is to use the "cp" (copy) command. If you tell the computer cp x y a copy of file "x" is made and named "y". Note that this is similar to "m

#print The "ls" command may be given with one or more file names. In that case, it will tell which of the files exist. How many of the files "doug", "dave", and "dennis" exist in this directory? Fin

#print Will the command ls georg[a-f] match the name george Type yes or no. Experiment first if you want. #create george #copyin #user #uncopyin #match yes #log #next 8.2b 5 9.1a 10