diff --git a/cheatsheets/chmod b/cheatsheets/chmod
new file mode 100644
index 0000000..31c5eb7
--- /dev/null
+++ b/cheatsheets/chmod
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+# Add execute for all (myscript.sh)
+chmod a+x myscript.sh
+
+# Set user to read/write/execute, group/global to read only (myscript.sh), symbolic mode
+chmod u=rwx, go=r myscript.sh 
+
+# Remove write from user/group/global (myscript.sh), symbolic mode
+chmod a-w myscript.sh
+
+# Remove read/write/execute from user/group/global (myscript.sh), symbolic mode
+chmod = myscript.sh
+
+# Set user to read/write and group/global read (myscript.sh), octal notation
+chmod 644 myscript.sh
+
+# Set user to read/write/execute and group/global read/execute (myscript.sh), octal notation
+chmod 755 myscript.sh
+
+# Set user/group/global to read/write (myscript.sh), octal notation
+chmod 666 myscript.sh
+
+# Roles
+u - user (owner of the file)
+g - group (members of file's group)
+o - global (all users who are not owner and not part of group)
+a - all (all 3 roles above)
+
+# Numeric representations
+7 - full (rwx)
+6 - read and write (rw-)
+5 - read and execute (r-x)
+4 - read only (r--)
+3 - write and execute (-wx)
+2 - write only (-w-)
+1 - execute only (--x)
+0 - none (---)