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找到约 10,000 项符合 L 的代码

l7.1a

#print Sometimes ? is too flexible, and you only want to allow a few characters. For example, you might want to abbreviate ls memo.ab memo.ac without picking up "memo.ad", memo.ae", etc. You can ma

l5.1a

#print Most UNIX commands, like "ls" and "cat", let you specify any number of file names after the command. To make this as easy as possible, there are some ways to abbreviate file names. This is usu

l1.1a

#print The "ls" command will list the names of the files in your directory. Is there a file named "junk" present? Find out and then type "yes" or "no". #copyin #user #uncopyin #match no #log #next 2

l10.2a

#print The way to get rid of a file you are finished with is with the "rm" (remove) command. For example, rm junk will get rid of the file named "junk". In this directory there is a file named "har

l4.2a

#print If a file name is given with the "ls" command, it tells you whether that file exists. The file name is listed if the file exists; if it doesn't, a complaint is typed. For example, ls george w

l11.3a

#print To make a copy of a file, you can use the "cp" (copy) command. For example cp old new will make a copy of file "old", named "new". This directory contains a file named "old"; try the "cp" com

l3.1a

#print The "cat" command prints the contents of one or more files. In fact, it is named "cat" as an abbreviation for "concatenate". To print the files named "dog" and "mouse" in succession, you could

l11.2a

#print To make a new copy of a file, the easiest way is to use the "cp" command. If you type cp x y a copy of file "x" is made and named "y". This directory contains a file named "george"; make a c

l7.3a

#print Sometimes ? is too flexible, and you only want to allow a few characters. For example, you might want to abbreviate ls memo.ab memo.ac without picking up "memo.ad", "!"memo.ae", and so forth

l3.2a

#print The command "cat" will print files. For example, you can print the file named "food" by typing "cat food". Your current directory has a file named "sam" and a file named "steve". Which is lon