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--- unix_system_v3.2.3 [2020/03/11 16:54]
smj created
+++ unix_system_v3.2.3 [2020/03/11 17:21] (current)
smj
@@ Line 1: / Line 1: @@
 **UNIX Command Reference**
-||Command||Description||Example/Notes||
+The command prompt in UNIX is called the //shell//.  Here is a list of common UNIX commands which will work across many different versions of UNIX with discrepancies in Example/Notes.
-||as||ASsembler||//as (input files)//||
-||cd||Change Directory||//cd tmp// - on Version 6 this command is //chdir//||
+||Command||Description||Examples||Notes||
+||as||ASsembler||//as input.s//||||
+||cc||C Compiler||//cc input.c//||||
+||cd||Change working Directory||//cd tmp//||on Version 6 this command is //chdir//||
 ||df||Disk Free||//df//||May take time to complete on some systems||
-||ls||LiSt directory||//ls -l// - provides a long LiSting||
+||ed||EDitor||//ed filename//||[[ED Survival|ED is the standard (line) text editor]]||
+||echo||Echo||//echo ${HOME}//||Prints the value assigned to the variable HOME||
+||env||ENVironment settings||//env//||Displays the shell environment settings (see //set//))||
+||ld||Link Loader||//ld inputfile//||||
+||ls||LiSt directory||//ls -l//||provides a long LiSting||
+||man||MANual||//man man//||On some systems, displays online manual pages||
+||ps||Process Status||//ps -a// or //ps -l//||prints All or Long Process Status||
+||pwd||Present Working Directory||//pwd//||Prints the working directory||
+||set||SETting||//set//||Displays the shell environment settings (see //env//)||
+||vi||VIsual editor||//vi filename//||[[VI Survival|vi is a screen editor]]||
+On some systems typing //games// will print a list of games.
+||directory||description||
+||/||This is the top level or //root// directory||
+||/bin||common user programs are here (type //echo ${PATH}// to see more||
+||/etc||This is the system directory||
+||/lib||System library files||
+||/usr||USeR directory - contains additional binaries, libraries, manpages||

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