Understanding UNIX is the classic UNIX tutorial and reference, thoroughly updated to cover the latest UNIX developments and versions. Whether you use UNIX in business or on campus, this book explains everything you need to know - from basic operating principles to system optimization. You'll explore all of the UNIX shells, master a variety of sophisticated system commands and tools, create commands, and even build advanced shell scripts.
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Meet the Unix File System
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argument ASCII assigned backquoted Bourne shell buffer Chapter character chmod command line command mode cpio create Ctrl-D current directory current line cursor default delete disk display echo editing egrep enter etc/passwd example execute permission exit status fgrep field file called file name filename grep header home directory invoke keyboard line numbers login profile loop mand mary match means menu metacharacters myfile newline Note option password path name pattern printer prompt quotes redirection regular expression root SCO UNIX screen sequence shell script shell variables simple sort space specify stan standard input standard output string subdirectories subshell superuser symbol syntax system administrator terminal text-entry mode uniq Unix systems usr/stan usually UUCP word XENIX xterm