Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] ! Boolean operator 2nd 3rd 4th ! variable !! to reexecute the previous event !$ last word of the previous event # comment 2nd # prompt # variable #! to choose a script shell #define C preprocessor directive #include C preprocessor directive $ in regular expressions $ in variable name $! variable $# variable 2nd 3rd $#argv variable $$ variable 2nd 3rd 4th $(...). [See Command; substitution] $* variable 2nd $, use with variables $0 variable $< variable $? variable 2nd $@ variable 2nd ${}, expand variable % job & builtin % job builtin % job number 2nd & background 2nd 3rd 4th 5th 6th & background process & bitwise operator 2nd & Boolean operator & in replacement string 2nd && Boolean operator 2nd 3rd 4th 5th 6th 7th ((...)). [See Arithmetic; evaluation] () command grouping () in shell functions * in regular expressions * special character */C comment + in full regular expressions . (dot) builtin 2nd 3rd 4th . directory 2nd . in regular expressions .. directory 2nd ..namedfork ./ to execute a file in the working directory 2nd 3rd .a filename extension 2nd 3rd .app filename extension .bash_history file .bash_login file .bash_logout file .bash_profile file 2nd 3rd .bashrc file 2nd 3rd .bmp filename extension .bz2 filename extension 2nd 3rd .C filename extension 2nd .c filename extension 2nd 3rd 4th 5th .c++ filename extension .cc filename extension 2nd .conf filename extension .cpp filename extension .cshrc file 2nd .cxx filename extension 2nd .dmg filename extension 2nd .emacs file 2nd 3rd 4th .gif filename extension .gz filename extension 2nd .h filename extension 2nd .history file 2nd .html filename extension .i filename extension 2nd .ii filename extension 2nd .inputrc file .jpeg filename extension 2nd .jpg filename extension 2nd .l filename extension .local filename extension .login file 2nd 3rd .logout file 2nd .m filename extension .netrc file .nofinger file .o filename extension 2nd 3rd 4th 5th .pdf filename extension .pkg filename extension .plan file 2nd .plist filename extension .profile file 2nd .project file 2nd .ps filename extension .rhosts file 2nd 3rd 4th .S filename extension .s filename extension 2nd 3rd 4th .sh filename extension .so filename extension 2nd .tar.bz2 filename extension 2nd .tar.gz filename extension 2nd .tar.Z filename extension 2nd .tbz filename extension .tbz2 filename extension .tcshrc file 2nd .tgz filename extension .tif filename extension .tiff filename extension 2nd .txt filename extension 2nd .tz filename extension .vimrc file 2nd .y filename extension .Z filename extension 2nd / directory (root) 2nd /* C comment /Applications directory /bin directory /cores directory /dev, 2nd /dev, kmem file /dev, null file 2nd 3rd 4th random file special files tty file zero file /etc bashrc file 2nd crontab file csh.cshrc file csh.login file csh.logout file cshrc file daily file daily.local file group file 2nd 3rd hostconfig file hosts file 2nd hosts.allow file hosts.deny file hosts.equiv file 2nd 3rd 4th inittab file login file lookupd file mach_init.d file monthly file motd file 2nd nologin.txt file ntp.conf file pam.conf file pam.d directory 2nd 3rd 4th passwd file printcap file 2nd profile file 2nd 3rd 4th protocols file rc file rc.local file rc.netboot file rpc file 2nd securetty file services file 2nd 3rd shells file sudoers file syslog.conf file termcap file weekly file xinetd.conf file /Library directory /private etc directory tmp directory var directory /sbin directory /System directory /System/Library directory /tmp directory 2nd 3rd /Users directory /usr bin include C preprocessor lib 2nd cc shared libraries sbin daemons share doc directory file: magic file 2nd info directory terminfo directory X11R6 2nd /var at jobs directory spool directory cron allow file deny file tabs file log 2nd lastlog file secure.log file 2nd system.log file 2nd 3rd wtmp file mail directory root directory spool directory 2nd /Volumes directory a Boolean operator 2nd 3rd o Boolean operator 2nd or Boolean operator ' ...'. [See Command; substitution] 100BaseT cable 10Base2 cable 10Base5 cable 10BaseT cable 169.254 address 1> redirect standard output 2> redirect standard error 802.11 : (null) builtin 2nd 3rd 4th := assign default value := substitute default value :? display error message ; command separator < redirect standard input 2nd 3rd <& duplicate input file descriptor <0 redirect standard input << here document 2nd > redirect standard output 2nd 3rd 4th 5th 6th >& duplicate output file descriptor 2nd >& redirect standard output and standard error >> append standard output 2nd 3rd ? in full regular expressions ? special character @ builtin 2nd 3rd 4th @ in a network address 2nd @ variable @ vim @ with mail [[...]] builtin [[...]]. [See also Conditional expressions] [] builtin. [See test] [] character class 2nd 3rd 4th \ escape character 2nd 3rd \( in regular expressions \) in regular expressions \n in replacement strings ^ bitwise operator ^ in regular expressions ^ quick substitution character { expansion { in a shell function | bitwise operator | Boolean operator 2nd | in full regular expressions | pipe 2nd 3rd || Boolean operator 2nd || Boolean operator 2nd 3rd 4th } expansion } in a shell function ~ (tilde) expansion 2nd ~ home directory ~ home directory. [See also Home directory] |