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diff --git a/doc/rbash.0 b/doc/rbash.0 new file mode 100644 index 0000000..96845d0 --- /dev/null +++ b/doc/rbash.0 @@ -0,0 +1,64 @@ +RBASH(1) General Commands Manual RBASH(1) + + + +NNAAMMEE + rbash - restricted bash, see bbaasshh(1) + +RREESSTTRRIICCTTEEDD SSHHEELLLL + If bbaasshh is started with the name rrbbaasshh, or the --rr option is supplied at + invocation, the shell becomes restricted. A restricted shell is used + to set up an environment more controlled than the standard shell. It + behaves identically to bbaasshh with the exception that the following are + disallowed or not performed: + + +o changing directories with ccdd + + +o setting or unsetting the values of SSHHEELLLL, PPAATTHH, HHIISSTTFFIILLEE, EENNVV, + or BBAASSHH__EENNVV + + +o specifying command names containing // + + +o specifying a filename containing a // as an argument to the .. + builtin command + + +o specifying a filename containing a slash as an argument to the + hhiissttoorryy builtin command + + +o specifying a filename containing a slash as an argument to the + --pp option to the hhaasshh builtin command + + +o importing function definitions from the shell environment at + startup + + +o parsing the value of SSHHEELLLLOOPPTTSS from the shell environment at + startup + + +o redirecting output using the >, >|, <>, >&, &>, and >> redirect- + ion operators + + +o using the eexxeecc builtin command to replace the shell with another + command + + +o adding or deleting builtin commands with the --ff and --dd options + to the eennaabbllee builtin command + + +o using the eennaabbllee builtin command to enable disabled shell + builtins + + +o specifying the --pp option to the ccoommmmaanndd builtin command + + +o turning off restricted mode with sseett ++rr or sshhoopptt --uu rree-- + ssttrriicctteedd__sshheellll. + + These restrictions are enforced after any startup files are read. + + When a command that is found to be a shell script is executed, rrbbaasshh + turns off any restrictions in the shell spawned to execute the script. + +SSEEEE AALLSSOO + bash(1) + + + +Bash-5.2 2021 November 22 RBASH(1) |